Their decision would involve the specific engine involved, the severity of the prop damage, the cost, the time on the engine, whether the prop was stopped or appreciably slowed, who was flying at the time, what else is going on in the shop, and maybe the time of year and their mother's maiden name. Some elbow room? documents in the last year, 274 There used to be, but it was kind of informal and there was a lot open to interpretation. offers a preview of documents scheduled to appear in the next day's documents in the last year, 876 Includes: Fuel Injection Spyder Starter Alternator Bendix Magnetos Gamijectors I will be more than happy to ship this engine to you. He used a football analogy of a player who can be brutally tackled and get right up, then trip over a bucket and break his leg. electronic version on GPOs govinfo.gov. It also does not equivocate to any degree on an engine tear down being the mandatory procedure, which is described in the bulletin. Document page views are updated periodically throughout the day and are cumulative counts for this document. I alluded to the potential of buying an airplane that suffered a prop strike without the required inspections being completed. For more than three decades, customers have trusted their airplanes to Triad Aviation, Inc. Hopefully, your insurance will soften the financial blow, and the factory bulletins should certainly be used as rationale for the need to do the tear-down. 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. better and aid in comparing the online edition to the print edition. 1 in 2022, Southwest To Build Aircraft Hangar, Create 100 Jobs at Reid Airport, Boeing, United Airlines Finalize 737 MAX and 787 Order, Including Record Purchase for 100 Dreamliners. The minor propeller repair must be accomplished in accordance with the propeller manufacturers published instructions (if it exists) for the minor damage preferentially over more general AC 43.13-1B with the exceptions we noted earlier). DeJoris says he is dealing with claims adjusters on a regular basis, and many adjusters today choose to have you go the extra mile and tear down the entire engine and propeller and do a thorough inspection." You can find the Service Bulletins for Continental Aerospace Technologies Type Certificated Gasoline Engines below. This proposed rule does not have federalism implications, as defined in Executive Order No. Without even trying, the FAA did what hasn't been done since 9/11: It cleared the airspace of commercial traffic. (2) Any incident during engine operation in which the propeller impacts a solid object that causes a These markup elements allow the user to see how the document follows the Comments for inclusion in the Rules Docket must be received on or before January 26, 2001. The FAA has reviewed and approved the technical contents of TCM Mandatory Service Bulletin (MSB) 005C, dated October 10, 2000. PROPELLER STRIKE INSPECTIONS. My investigation started with my need for another engine for my Cessna 210. These counterweights move on relatively soft bushings. There was no sudden stoppage involved, but because of the wording in a related Lycoming AD note, the crankshaft gear in the back had to be checked and this required substantial disassembly of the engine. Either may require additional inspection but neither may negate the inspections required by the FARs. The engine SN can be found in logbooks or other maintenance records. This is a minor or major prop repair issue, but not a potential engine tear down issue. 2023 Endeavor Business Media, LLC. In fact it is a very insidious situation since there is often no obvious damage-no harm, no foul so to speak. 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 the TCM internet site www.tcmlink.com. This information may be examined at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Is the engine being completely disassembled and inspected? However the dates that the engines and crankshafts were delivered may not coincide with their dates of manufacture. Maybe it is and maybe it isn't." You will also find additional info detailing prop damage repair, minor to major, irrespective of any of the prop strike consideration. Lycoming 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. by the Federal Energy Regulatory Commission on So my question was, should I overhaul the present engine or look for one with good logs? (e) The actions required by this AD shall be performed in accordance with Teledyne Continental Motors MSB 00-5C, dated October 10, 2000. This AD, defines a propeller strike as follows: (i) For the purposes of this AD, a propeller strike is defined as follows: (1) Any incident, whether or not the engine is operating, that requires repair to the propeller other than minor blade dressing. We will not be discussing damage to the prop in this article since there is so much information on prop damage that does not involve engine tear downs. include documents scheduled for later issues, at the request Got a nick on your prop? We like to think that those we deal with are honest, however, there's a chance of impropiety by a seller, so when buying an airplane, be careful. 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. These cases should be handled as sudden stoppages because of potentially severe side loading on the crankshaft flange, front bearing, and seal.". Another problem area is in engines with crank counterweights, a very common design. documents in the last year, 480 Well discuss that distinction and exempt engines later in this article. Submit comments in triplicate to the Federal Aviation Administration (FAA), New England Region, Office of the Regional Counsel, Attention: Rules Docket No. Document Drafting Handbook At least thats our goal. 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. #1. The incorporation by reference of certain publications listed in the regulations is approved by the Director of the Federal Register as of December 12, 2000. "It" 2023 Aviation Publishing Group. Basically the fuel gauges in the center console are shorting out. Dealing with them on this issue is fodder for another article, however. to a sudden stop. For crankshafts identified in paragraph (a) of this AD, TCM has already determined which engines have a new suspect crankshaft installed and have identified those engines by engine SN. A. This amendment requires removing a core sample of material from the propeller mounting flange of certain crankshafts, and sending the core sample to TCM for evaluation. Issued in Burlington, Massachusetts, on November 13, 2000. 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. (c) Crankshaft material inspections (crankshaft propeller flange core samples) that were done using TCM MSB 00-5, dated April 14, 2000; MSB 00-5A, dated April 28, 2000; or MSB 00-5B, dated May 25, 2000, comply with this AD and must not be repeated. I took the other SR20 this time and it was also broken, to the point where it shouldn't have been flown. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further flight. Its not a smoking gun, but perusing the accident reports makes one wonder about such coincidences. That engine may be a time bomb, and an illegal one if the data plate is still on the engine, as after some mods it no longer qualifies as a certified engine, and may not be economically able to be recertified, depending on what was done to it. He also said prospective owners should review the logs to see if the propeller has been changed. The oil pump on the Continental IO-360 is driven by a very small shaft, for instance, and can be easily sheared as a result of a strike," says DeJoris. The Public Inspection page Secure the airplane and figure that it will be out of commission for a few months. Should he also have performed the obligatory engine inspections? It still could end up at a prop repair station if inspection deems it a prop major repair requirement depending on manufacturer inspection criteria of the prop. Replace the rotobroach after the sixth core sample, or before if the rotobroach does not cut with the maximum torque applied. 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 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. Copies may be inspected at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. Following any propeller strike, complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to 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. TCM is less equivocal. 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. A propeller strike (according to this Lycoming bulletin) is defined as follows:(It has all the same definitions found in AD 2004-10-14 that we printed in italics but has additional information): Circumstances which surround accidents are many and varied; therefore, the circumstances of the accident can not, in our opinion, be used to predict the extent of the damage to the engine or assure its future reliability. 13132, because it would not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. Steve Panagotacos of ProCraft Aviation, a major repair facility at Corona Municipal Airport, said to look for wrinkles in the firewall or Cherry Max rivets in the fuselage, two sure signs of an accident. Certificated Gasoline engines below the accident reports makes one wonder about such coincidences 13,.! 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