Well, for one i dont think i want to take out any of the clubs planes ever again. Communications should identify the Rules Docket number and be submitted Start Printed Page 70655in triplicate to the address specified under the caption ADDRESSES. In fact, the customers were sold their own crank. Contact TCM to obtain additional rotobroach bits. better and aid in comparing the online edition to the print edition. Document Drafting Handbook Over the years, Continental has built a service offering for aircraft operators and owners These services include engine overhauls at the Continental factory service center for Continental, Titan, and LYCOMING engines, factory overhauls for Continental AvGas engines, sudden stoppage/propeller strikes, shock inspections, fleet overhaul programs, Jet-A burning engine Schwaner made the point that more than a few people have been told their engine's crank is bad, but it just so happens that the shop has the one you need in stock. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further flight. 01/17/2023, 202 It is not an official legal edition of the Federal I won't list them all here, but some of the more expensive ones are: hydraulic valve lifters, connecting rod bearings, the crankshaft's main and thrust bearings, all needle, ball, and roller bearings, exhaust valves, valve springs, piston pins, pistons, crankcase through bolts, all the hardware, seals, gaskets, O-rings, and lots of other small stuff. I've heard that a Continental doesn't require a tear down and inspection as a Lycoming does, but looking at Continental's Service Bulletin SB96-11B it looks Home. The Public Inspection page may also documents in the last year, 16 The service information referenced in this AD may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on According to John DeJoris, president of Aircraft Propeller Service Inc., in Wheeling, IL, "The FAA has embraced the policy that any type of propeller strike is a cause for teardown and engine manufacturers are quickly jumping on board. publication in the future. The concern, of course, is the prospect of hidden damage, which can cause, and has caused, subsequent engine failures. Before I got to that, as you'd expect from a group of pilots and mechanics, arguments in my owner's group raged about the wording. This amendment supersedes emergency airworthiness directive (AD) 2000-08-51. But let me start this section with a caveat: There is no black and white, and the subject under discussion is the grayest of the gray areas. MSB 005C lists additional serial numbers (SN's) of affected engines and suspect crankshafts that were manufactured between April 1, 1998, and March 31, 2000, inclusive. Airmark Overhaul, Inc. 6001 NW 29th Avenue Fort Lauderdale, FL 33309. There's a tremendous amount of energy stored in the rotating flyweight, and when all of a sudden you stop the prop and engine, that energy has to be dissipated somewhere.". Its entirely possible after a sudden engine stoppage for there to be severe internal damage and yet the prop looks perfectly OK even if the prop was either totally stopped or the rpm dropped by the incident. Also, some engines with a gear-driven alternator have a large, relatively thin and very vulnerable gear bolted to the forward end of the crankshaft. Still others will only pay for the labor to do the job and will not pay for any parts. regulatory information on FederalRegister.gov with the objective of Lycoming, in their prop-strike Service Bulletin 533A, takes the approach that the safest procedure is to take the engine apart for inspection following any incident involving propeller blade damage. Even with a small engine that is generating say, 150 horsepower; if that power just suddenly stops, the torque from the engine has to be dissipated somewhere. are not part of the published document itself. TCM is less equivocal. Factory New & Factory Rebuilt Gasoline Engines +1.251.436.8101 08:00 - 17:00 Gasoline Engine Overhauls & MRO +1.251.990.5080 08:00 - 17:00 Technical Support (AvGas & 600-ft lb load on the crank gear on a sudden stop from 1000 engine rpm. In another incident a prop hit a small rock, which had been dislodged and thrown back by a larger aircraft. But what is a prop strike and what exactly are the ramifications? Includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I will be more than happy to ship this engine to you. Kiss the old days goodbye. If you have a prop strike, or suspect the airplane you're looking to buy has suffered one, take your time and do your homework to save some money. Moreover, 43.13-1B mandates the use of approved manufacturer data (providing it exists) rather than 43.13-1B data as the required source of both inspection and repair information (Manufacturer data will be more current with more detail and part specific is the thinking). At least thats our goal. Although many in the industry still like to interpret rules to their advantage, the mechanic is being faced with fewer and fewer "outs" More than the prop and crankshaft documents in the last year, by the Veterans Affairs Department This Airworthiness Directive (AD) is applicable to Teledyne Continental Motors (TCM) IO-360, TSIO-360, LTSIO-360, O-470, IO-470, TSIO-470, IO-520, TSIO-520, LTSIO-520, IO-550, TSIO-550 and TSIOL-550 series reciprocating engines that were assembled, rebuilt, or overhauled using a crankshaft that was manufactured between April 1, 1998, and March 31, 2000, listed by engine and crankshaft serial number (SN) in TCM Mandatory Service Bulletin (MSB) 00-5C, dated October 10, 2000. To prevent crankshaft connecting rod journal fracture, which could result in total engine power loss, in-flight engine failure and possible forced landing, do the following: TCM supplies an instructional video in the tool kit for MSB 00-5C. (ii) You may use each rotobroach bit to obtain up to six core samples. Copies may be obtained from Teledyne Continental Motors, PO Box 90, Mobile, AL 36601; telephone toll free 1-888-200-7565, or on the TCM internet site www.tcmlink.com. Some reports are quite specific about a recent prop strike in the engines history. While every effort has been made to ensure that On the record, owners said that if someone came into their shop and said he or she had an aircraft with a prop strike, they would follow the procedures outlined above to the letter. A propeller strike is: (1) any incident, whether or not the engine is operating, that requires repair to the propeller other than minor dressing of the blades as set forth in Part I, B of this Service Bulletin or (2) any incident while the engine is operating in which the propeller makes contact with any object that results in a loss of engine RPM. Pre-Flight. It has been determined further that this action involves an emergency regulation under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979). In this Issue, Documents Federal Register. For A. For engines that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (d) of this AD. PROPELLER STRIKE INSPECTIONS. the most are "prop strike." However the dates that the engines and crankshafts were delivered may not coincide with their dates of manufacture. The engine for sale was the model I needed, with about 1,000 hours since a factory overhaul. Disregard the letter R.. Aircraft Owners & Pilots Association Find it free on the store. After the extent of the inspection has been determined, it is important, as with any major repairs that are accomplished on your aircraft, to find out exactly what is included in the estimate to repair your engine following a prop strike. This dream price just may be the cast off of a prop-strike incident that has been covered up or minimized in some way-or a prop with blades that are out of spec from metal removed from previous overhauls. Its also important to point out that this is not the only Lycoming bulletinthat discusses prop strikes. Lycoming's Service Bulletin 475B requires that in the event that the engine has experienced a propeller strike, inspection and possible rework of the accessory gear train as well as the rear of the engine's crankshaft is required. (a) For those engines and crankshafts listed by SN in TCM MSB 00-5C, dated October 10, 2000, do the crankshaft material inspection (crankshaft propeller flange core sample) as follows: The engine SN's listed in TCM MSB 00-5C contain only the numerical portion of the SN. certain lots, of steel production or forming operations. The crankshaft SN is only used to determine the need for taking a core sample for those crankshafts identified in paragraph (a) and (b) of this AD. However, they have the caveat that the inspecting mechanic may override that position and return the engine to service without disassembly and inspection if he feels that it is the prudent and responsible thing to do. If it has, and there's no indication in the engine logs about a teardown and inspection, it's time for a long explanation from the seller. Are the minimum legal requirements being met? on If you have a favorite mechanic, he may know someone in the area who will pull the enginethis takes only a few hoursand ship it wherever you want. What you see in the pictures is what you are getting. That AD requires removing a core sample of material from the propeller mounting flange and sending the core sample to TCM for evaluation. There's also the cost of inspection of the accessories, which is extra. Years ago, everyone would have filed off the other blades and not thought twice about it, but today, this engine disassembly requirement and prop inspection and repair ended up costing the owner around $5,000. Register documents. And two, "The preceding definitions include situations where an aircraft is stationary and the landing gear collapses causing one or more blades to be substantially bent, or where a hangar door (or other object) strikes the propeller blade. On TCM engines with the geared alternators up front, he has seen the mounting flange and the gear drive bolts break during a prop strike. There may be other additional requirements mandated by insurance policies or engine manufacturer and/or overhauler warranty. Unfortunately, disassembly and nondestructive testing procedures are the only way to provide a reasonable level of assurance that the engine is truly fit for continued service. Commenters wishing the FAA to acknowledge receipt of their comments submitted in response to this notice must submit a self-addressed, stamped postcard on which the following statement is made: Comments to Docket Number 2000-NE-16-AD. The postcard will be date stamped and returned to the commenter. The Public Inspection page Although this action is in the form of a final rule that involves requirements affecting flight safety and, thus, was not preceded by notice and an opportunity for public comment, comments are invited on this rule. This condition, if not corrected, could result in crankshaft connecting rod journal fracture, which could result in total engine power loss, in-flight engine failure and possible forced landing. Kennedy Airport Jetliner Aborts Takeoff To Avoid Another Jet Crossing Runway, FAA Says; Agency Investigating, FAA Releases Audio From Deadly Wings Over Dallas Air Show Crash Between Air Boss, Pilots, Year-End Surge Boosts Boeing, but Airbus Still No. All rights reserved. Located in Burlington, North Carolina, we provide an array of aircraft maintenance services, including engine, cylinder, and propeller overhaul and repair. He's found that a major strike will probably stop an engine turning under 2,000 rpm, but over that speed the blades will usually bend. documents in the last year, by the Transportation Security Administration You could identify its sound with your eyes closed. If you can imagine a loose rod banging around inside your engine, you know it's bad. The flange will break before it bends. Russell explains, "Aircraft operating under Part 135 of the FARs must comply with all manufacturer's service bulletins, and would have to comply with Service Bulletin 96-11 requiring total disassembly and inspection after any incident that required removal of the propeller for repairs or if the engine physically lost rpms during the incident. Should he also have performed the obligatory engine inspections? A Textron Lycoming engine, that is being operated on a Part 91 aircraft, that had a sudden engine stoppage, not a propeller strike, must comply with AD 91-14-22 and Service Bulletin 475B at a minimum. Refer McCauley Service Bulletin 137W. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); WORLD'S PREMIER INDEPENDENT AVIATION NEWS RESOURCE. Continental Properties has earned a spot on the National Multifamily Housing Council's (NMHC) list of the Top 10 developers in the country. 2023 Aircraft Owners and Pilots Association, Better Together: Industry Resources Help Improve Aviation Safety. "The result is that those flyweights that are hanging on by 1/8-inch pins can easily bend, twist, or damage those pins. continental prop strike ad. He also said that if you have a prop strike while traveling, don't go to the first shop you see and turn the airplane over to it. documents in the last year, 274 Compliance with this service bulletin is mandatory per AD 91-14-22. To be undiplomatic, dialing in a crank after a prop strike or sudden stoppage as has been defined by both the manufacturers and the FAA is essentially a fools errand-at least as possible decision making criteria on the serviceability of the crank. 01/17/2023, 159 Engines that have been rebuilt by TCM will have a letter R at the end of the six digit numerical portion. The accident was recorded on video and available on the Internet. However, they have the caveat that the inspecting mechanic may override that position and return the engine to service without disassembly and inspection if he or she feels that it is the prudent and responsible thing to do. Any decision to operate an engine, which was involved in a sudden stoppage, propeller/rotor strike or loss of propeller/rotor blade or tip without such an inspection must be the responsibility of the agency returning the aircraft to service. stoppage inspection, we are your source for engine (f) This amendment becomes effective on December 12, 2000. Below are three important links from the FAA, Lycoming, and Teledyne Continental regarding the definition of a Prop Strike and sudden stoppage. And again, Chapter 8 of AC 43.13-1B is a good place to start gathering unbiased information. Comments for inclusion in the Rules Docket must be received on or before January 26, 2001. Panagotacos recently paid $66 for the list of a 1956 Cessna 182, which is in his shop. documents in the last year, 117 Recent changes in the approach to propeller strikes dictated by Airworthiness Directives, engine manufacturer Service Letters, and insurance company policy have made anything less than a thorough teardown and NDT inspection unacceptable. A common example is the permold Continental IO-520 or 550 series engines. Is the engine being completely disassembled and inspected? Information about this document as published in the Federal Register. Note the recurring theme of the loss of rpm or sudden stoppage of the engine runs as a key criteria for an internal inspection among the makers as well as the FAA. documents in the last year, 480 A slam stop will detune the weights and damage the bushings so they can no longer do their job of helping to balance the crank while operating. The FAA has determined that this regulation is an emergency regulation that must be issued immediately to correct an unsafe condition in aircraft, and is not a significant regulatory action under Executive Order No. This article originally appeared in the December 2012 issue of Light Plane Maintenance. Assistant Manager, Engine and Propeller Directorate, Aircraft Certification Service. If the engine was assembled new, rebuilt, or overhauled on or before March 31, 1998, or on or after April 1, 2000, no action is required. In short, all accessories become suspect to damage under either a prop strike or sudden stoppage incident. Lycoming's new SB seems to generalize the term propeller strike and sudden stoppage to be quite inclusive. A tear down of most direct drive engines isnt a major repair but we recommend using a certified repair station or the factory for that action as well as the level of NDT testing will be significant and required to be done by certified people for such critical NDT inspections. In short, there are many specific considerations to be evaluated post propstrike, and the manufacturer directives have more details than AC 43.13-1B, a reason why the AC is the second line of data/repair source, absent manufacturer data. Emergency AD 2000-08-51 was sent to all known U.S. owners and operators of Teledyne Continental Motors (TCM) IO-360, TSIO-360, LTSIO-360, O-470, IO-470, TSIO-470, IO-520, TSIO-520, LTSIO-520, IO-550, TSIO-550, and TSIOL-550 series reciprocating engines by individual letters. has no substantive legal effect. Posted at 11:12h in don franklin oil change somerset ky by royal In this case however, there is an existing AD for quite a few differentLycoming engines that specifically mentions prop strikes and mandates some degree of tear down, but not necessarily a full tear down, and only if it is a prop strike as opposed to a sudden stoppage. One, "A sudden rpm drop while impacting water, tall grass, or similar yielding medium, where propeller damage is not normally incurred." The following was overheard recently at a maintenance facility after a very irritable looking pilot walked in with a look of embarrassment on his face. But what is a prop strike and what exactly are the ramifications? We know of no ADs on TCM engines in this area to muddy the waters, so its the owners decision unless they are operating other than under Part 91, such as Part 135 where compliance with service directives is typically mandatory. 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