continental prop strike ad

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. 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. documents in the last year, by the Veterans Affairs Department A prop strike can happen to anyone at anytime, but fortunately, few involve injury. After defining a prop strike, TCM's SB 96-11A states: "A. Propeller strike inspections. Following any propeller strike complete disassembly and inspection of all rotating engine components is mandatory and must be accomplished prior to further operation. Inspect all engine accessories in accordance with the manufacturer's instructions." documents in the last year, 90 Talking about whether to have the engine overhauled or just inspected, Tunnel said it can be penciled out. He continues, "T.C.M. documents in the last year, 37 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. 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. This damage can result in catastrophic engine failure. the official SGML-based PDF version on govinfo.gov, those relying on it for In light of the preceding information, would you be comfortable doing that? 552(a) and 1 CFR part 51. If the engine is being disassembled does the estimate include testing after reassembly? We dont have such trust unless we know a whole lot about who we are dealing with and have all the proper logs and background checks-especially in the Internet age there is no excuse to not do a lot of digging on who and what you are dealing with. That said, you'll understand that this article isn't going to state, or even hint at, what you should do in this situation. A bit of homework will go a long way towards helping you persuade your customer to do the right thing. Since a situation exists that requires the immediate adoption of this regulation, it is found that notice and opportunity for prior public comment hereon are impracticable, and that good cause exists for making this amendment effective in less than 30 days. documents in the last year, 274 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. Panagotacos recently paid $66 for the list of a 1956 Cessna 182, which is in his shop. ", DeJoris adds, "As a result, there is no real relationship today between the extent of damage of the prop and the type of inspection that has to be done to the engine. PROPELLER STRIKE INSPECTIONS. Should he also have performed the obligatory engine inspections? 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. documents in the last year, 16 (d) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Atlanta Aircraft Certification Office (ACO). The $8,500 differential is not insignificant. My investigation started with my need for another engine for my Cessna 210. (ii) You may use each rotobroach bit to obtain up to six core samples. This prototype edition of the I spoke with several shop owners and asked their opinion. Posted at 11:12h in don franklin oil change somerset ky by royal So my question was, should I overhaul the present engine or look for one with good logs? Register documents. 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. If you need someone to remove and reinstall the engine, that's another $1,800. Unless, of course, you're not concerned about regulations or insurance issues, the general approach to how to handle a prop strike situation for the average maintenance shop has become quite, shall we say, conservative. Finding out what needs to be done and whether that agrees with what you feel should be done, whos going to do it and who is going to pay for it, should help make the experience of a prop strike/sudden stoppage as painless as possible. karen rietz baldwin; hidden valley high Submit comments in triplicate to the Federal Aviation Administration (FAA), New England Region, Office of the Regional Counsel, Attention: Rules Docket No. A. Say the engine is turning only 1000 rpm, barely above an idle. The engine for sale was the model I needed, with about 1,000 hours since a factory overhaul. This site displays a prototype of a Web 2.0 version of the daily Open for Comment, Interstate Electric Transmission Facilities, Economic Sanctions & Foreign Assets Control, U.S. 2 Blade Continental O-200/Lycoming O-235 Ground Adjustable STOL Propeller $ 74CK $ 76AK-2 $ FIND A DEALER NEAR YOU. electronic version on GPOs govinfo.gov. Consider the accessories. A report that summarizes each FAA-public contact concerned with the substance of this AD will be filed in the Rules Docket. Another problem area is in engines with crank counterweights, a very common design. AD/PROP/1 Amdt 2 (continued) Page 6 of 9 HOFFMAN (continued) Continental IO-346 engines 1000 All other Fixed Pitch Types 2000 Flottorp storage, overspeed, ground strike or aerobatic requirements refer mt-propeller Service Bulletin 1 Revision X. Are the minimum legal requirements being met? ", In addition to regulatory changes and manufacturer recommendations, insurance companies are also playing a major role in determining what you do to your engine and prop. I took the other SR20 this time and it was also broken, to the point where it shouldn't have been flown. But if there's 1,000 hours or more left on the engine, you're probably better off with just an inspection. All rights reserved. The FAA definition of a sudden stoppage, is the engine stopping suddenly in under one rpm. What this all boils down to is that in the case of any accidental damage to a propeller installed on a aircraft operating under Part 91 of the FARs, it is up to the inspecting mechanic to determine if the engine should continue in service without total disassembly and inspection, or only the SB 475C level of inspection if a Lycoming engine falls into that category. But what is a prop strike and what exactly are the ramifications? Click here for the Diesel Engines service bulletins. The OFR/GPO partnership is committed to presenting accurate and reliable How much grass and how deep should the water be, and how sudden is "sudden," and what constitutes an rpm drop? the most are "prop strike." The other thing to consider is all of the accessories on the engine or parts of the engine that are spinning at high speeds that could come Comments may also be sent via the Internet using the following address: 9-ane-adcomment@faa.gov. Comments sent via the Internet must contain the docket number in the subject line. The FAA has determined that all of the defects were due to unique material composition characteristics combined with process control variations that occurred during the material melt process. (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. 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. The argument goes would you rather be paying for an in flight engine failure 100 hours from now. 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. It also does not equivocate to any degree on an engine tear down being the mandatory procedure, which is described in the bulletin. Are any of the engines accessories inspected as they should be, and if so to what extent? documents in the last year, 973 If possible, he suggests, mark the flange somehow, or take a photo of the scratches and nicks so you can compare it to the "new" one later. on NARA's archives.gov. Propeller inspections are fairly clear cut damage on the blades is typically quite apparent, and the existence of damage beyond field repair limits dictates that the unit is disassembled and given a searching internal inspection, and in some cases, complete overhaul. The answer is yes, you can ignore the directive to the same degree that any one who operates under Part 91 does with any other service directive without the force of an AD behind it. According to DeJoris, "Hartzell requires hub replacement if any blade in the assembly is bent beyond repair limits due to impact damage. that agencies use to create their documents. the Federal Register. Sep 28, 2016. That AD requires removing a core sample of material from the propeller mounting flange and sending the core sample to TCM for evaluation. Use the PDF linked in the document sidebar for the official electronic format. Removing and reinstalling a propeller take just a few hours, and the prop shops don't care who brings the job through the door. 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. The engine makers seem to agree quite strongly as does the FAA. Are there any hidden costs? This may seem to contradict itself since sudden stoppage is mentioned earlier in the AD in the prop strike-definitions section, but thats the way it is written with an orientation to certain types of direct drive Lycoming engines, with only Lycoming O-145, O-320H, O-360E, LO-360E, LTO-360E,O-435, and TIO-541 series engines being exempt.
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