Prop strikes are one of the most costly incidents that can happen to propeller-driven aircraft. We have partnered with an aerospace-quality plating supplier capable providing chrome that is precise and durable. Another certified service facility tells me that total disassembly for an IRAN is required, and that I might as well have the engine rebuilt, for the extra expense and have a zeroed engine. The rebuild took some one and one half years. The most common repairs are the propeller-strike/sudden stoppage inspections. Mine had a pro strike in the 80s and the owner overhauled the prop, inspected the engine, did a top overhaul, repainted it, and put it to sleep for fifteen years with an annual every five. The mechanic removed the entire rudder pedal assembly which I believe was a torque tube type assembly. Inspect all engine driven accessories in accordance with the manufacturer’s maintenance instructions. Look at the airplane after its done. 3439 South Aviation Drive Bore (ASI Repair 0014), Non-Repairable Inspection Fee (all Crankshafts), Inspect and/or modify for Compliance with S.B. One aspect of this is how thorough the inspection is and is it even possible to determine all of the stress that was applied to the indiividual parts? All the damaged parts have been replaced. Going all the way to TBO with minimal inspections doesn't work out well either so every cloud has its silver lining. But if they do the minimum required by the AD, then they are just doing a crank run out, changing the dow pin and putting the engine back in service with a sign off of the AD and a new prop. Was the engine running? I would assume that means it had a prop strike. To complete these required inspections, you generally have to open up the engine. According to Lycoming, "any decision to operate an engine which was involved in sudden stoppage, propeller strike, or loss of prop blade tip without disassembly and inspection will violate the AD Note issued by the FAA and Lycoming Service Bulletin No. Get your engine overhaul Turn-Key in one location. They also (in my opinion) made the definition of "prop strike" very loose, and to include any loss of rpm caused by grass, water, etc. Oversize P005, P010. This easy calculation will give you the best chance of making a safe descent to landing from MDA. From an equipment point of view I agree to the extent the manufacturer's guidance mitigates the risk of hidden/latent defects. Quiz: Do You Know These 6 Common IFR Enroute Chart Symbols? Will the insurance usually pay for this? Your link has been automatically embedded. If that dowel fails, all of the accessory gearbox items stop turning (i.e. Accidents happen, and propeller strikes are one of the most common. Wildlife on the runway is another major prop strike concern. * Any engine ending with "D" is $2,100 additional. Refer to the latest revisions of both Service Bulletin No. I don't know the answer. In fact, it was the 1964 C model Mooney that my Dad purchased in 1970. Never seen a Lycoming actually break and darn few that were IMHO cracked due to a prop strike. Founded in 1979, Triad Aviation's Engine Division specializes in overhauls for both Lycoming and Continental engines, but overhauls are only a fraction of the services we provide. Overhauls, prop strike inspections, and engine repair, Cylinder overhaul, inspection, and repair, Engine upgrades, such as Supplemental Type Certificated (STC) horsepower upgrades and modifications, Non-Destructive Testing (NDT) services, including Level II Magnaflux, Level II Dye Penetrant, and TCM certified, Airworthiness Directive (AD) and Service Bulletin (SB) compliance. Chrome Repair Propeller Pilot (Lycoming or Continental) $475.00: Oil Seal Repair (Lycoming or Continental) $235.00: Replace Dowel (Lycoming or Continental) $25.00: Chrome Repair Rear Gear Mount (Franklin) $475.00: Non-Repairable Inspection Fee (all Crankshafts) $65.00 There should be no impact on the value of the aircraft unless you feel that having a maintenance entry devalues the aircraft. If we don't have it – we'll get it for you! If bearing journals are reground the crankshaft must be renitrided to restore wear surface hardness and increase fatigue strength. Below are three important links from the FAA, Lycoming, and Teledyne Continental regarding the definition of a Prop Strike and sudden stoppage. If no cracks or metallurgical flaws are found, a detailed dimensional evaluation and visual inspection is performed. Not being critical, just curious, my local engine shop is a one man show with 40 plus years, never heard of one of his failing at birth. The airplane had undergone a year and a half rebuild and that damage from the stress had not been discovered. Measure the flange run-out on the crankshaft. Doesn't make me feel better that I saved a few bucks when the engine starts running bad in the middle of the night... You are right, they are whole different animals, but I think both are better than a 900 SMOH engine that hasnt been apart and looked at. Buying an aircraft with a known strike and no inspection should reflect the cost of R & R, Teardown and at least a used certified … (Repair 07-09-08), Continental GTSIO-520 – Repair for Re-use, Replace Counterweight Bushings in Crankshaft -, Case Harden Continental Counterweight to Comply with S.B. A second Magnetic Particle inspection is done and the propeller flange is cadmium plated for corrosion protection. All prices USD. CRANKSHAFT P/N: S/N: Sequential Task Additional Information Corrective Action Done/Comments 14. Both Lycoming and Continental have very specific requirements for disassembly and inspection. http://www.avweb.com/news/features/The-Prop-StrikeSudden-Stop222325-1.html. The same logic goes for gear ups and other damage history when properly repaired. All the damaged parts have been replaced. Swayne is an editor at Boldmethod, certified flight instructor, and an Embraer 145 First Officer for a regional airline. Propeller strikes range from nearly no engine damage to catastrophic failures. The Hardest VFR Quiz You'll Take This Month. Our engine experts also perform the following services: Overhauls, prop strike inspections, and engine repair; Cylinder overhaul, inspection, and repair So how do we determine that they are? magnetos, camshaft, oil pump, fuel pump, etc.) Now, supposedly, all of those aircraft were also inspected, had repairs done and were signed off as airworthy when they were returned to service. Quiz: Can You Identify These 7 Cloud Formations? Consequently, the event introduces some unknown variables into the equation. RH LO-360-A1G6D Serial L-424-714 Last Overhaul 2004 – Good logs – TT 1152 SMOH (prop strike inspection by Coastal 2004 @52 hours) Removed from Beechcraft BE-76 Dutchess Request Information Lycoming O-360-A1G6D One has 900 SMOH, one is Zero SMOH or 900 SMOH and zero since IRAN. Quiz: These 6 Aerodynamic Designs Are For... Quiz: Can You Answer These 7 Stall Questions? Quiz: 6 Questions To See How Much You Know About IFR Navaids. Engine Inspection Checklist After Propeller Strike for All Lycoming Engines - Except Geared Engines (Cont.) Or they did and did check that part, the testing wasn't up to snuff or no defects were uncovered at that point in time. What's More Dangerous: Light Or Strong Crosswinds? My Dad had the seats recovered and that Mooney looked better than new. There have been reports over the years that seemed to indicate a higher incidence of airframe structural failures involving aircraft that have had prior damage history. There is another FAA document with additional specifics for many Lycoming engines, and this is found in AD 2004-10-14, which defines and differentiates a prop strike and sudden prop stoppage and references Lycoming SB 475C, Jan 2003 as the supporting manufacturer document for the inspection and applicable engines. Prices listed above are “per item” and do not include parts, except where noted. When my Dad and I spotted the Mooney for sale it had a brand new paint job, a zero time rebuilt Lycoming and an overhauled propellor. Lycoming must take the position that in the case of sudden engine stoppage, propeller strike or loss of a blade tip, the only safe procedure is to remove and disassemble the engine and completely inspect the reciprocating and rotating parts.
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