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Airworthiness directives › 2006-20-09

AD 2006-20-09 Airworthiness Directives; Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 Series Reciprocating Engines.

Superseded. This directive was replaced by AD 2012-19-01. Work to the current one.
2006-11-03
2006-09-29
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Engine
2012-19-01

Makes named: lycoming. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to those Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 series reciprocating engines listed by engine model number and serial number in Table 1, Table 2, Table 3, or Table 4 of Lycoming Mandatory Service Bulletin (MSB) 569A, dated April 11, 2006, and those engines with crankshafts listed by crankshaft serial number in Table 5 of Lycoming MSB 569A, dated April 11, 2006. These applicable engines are manufactured new or rebuilt, overhauled, or had a crankshaft installed after March 1, 1997. These engines are installed on, but not limited to, the following aircraft:   Engine model Manufacturer Aircraft model AEIO-360-A1B6 Moravan Z242L Zlin.   Scottish Avia Bulldog.   Valmet Leko 70. AEIO-360-A1E6 Integrated Systems Omega. IO-360-A1B6 Aircraft Manufacturing Factory Mushshak.   Beech C-24R Sierra or 200 Sierra.   Cessna R-G Cardinal.   Korean Air Chang Gong-91.   Partenavia P-68C.   Saab MFI-15 Safari, MFI-17 Supporter.   Scottish Avia Bulldog. IO-360-A1B6D Cessna R-6 Cardinal.   Siai Marchetti S-205. IO-360-A3B6 Mod Works Trophy 212 Conversion. IO-360-A3B6D Mooney M20J-201. IO-360-B1G6 American Blimp Spector 42. IO-360-C1C6 Piper Aircraft PA-28-200R Arrow IV.   Ruschmeyer MF-85. IO-360-C1D6 M.B.B. Flamingo 223.   Rockwell 112. IO-360-C1E6 Piper PA-34-200 Seneca I. IO-360-C1G6 Zeppelin NT. IO-360-X178 Ly-Con STC. (L)O-360-A1G6D Beech 76 Duchess. (L)O-360-A1H6 Piper PA-44 Seminole. O-360-A1F6 Cessna 177 Cardinal. O-360-A1F6D Cessna 177 Cardinal.   Teal III TSC 1A3. O-360-A1G6D Beech 76 Duchess. O-360-A1H6 Piper PA-44 Seminole. O-360-E1A6D Piper PA-44-180 Seminole. O-360-F1A6 Cessna C-172RG Cutlass RG. AEIO-540-D4A5 Christen Pitts S-2S, S-2B.   H.A.L. HPT-32.   Siai-Marchetti SF-260.   Slingsby T3A Firefly. AEIO-540-L1B5 Extra-Flugzeugbau Extra 300.   F.F.A. FFA-2000 Eurotrainer. AEIO-540-L1D5 Apex Apex. IO-540-AA1A5 Piper 602P Sequoia. IO-540-AB1A5 Cessna C-182 Skylane. IO-540-AC1A5 Cessna C-206 Stationair. IO-540-AE1A5 Robinson R44. IO-540-C4B5 Aerofab 250 Renegade.   Avions Pierre Robin HR100/250.   Bellanca T-250 Aries.   Piper Aztec C PA-23 “250”, Aztec F.   Wassmer WA4-21. IO-540-C4D5 S.O.C.A.T.A. TB-20. IO-540-C4D5D S.O.C.A.T.A. TB-20 Trinidad. IO-540-D4A5 Piper PA-24 260 Comanche.   Siai-Marchetti SF-260. IO-540-D4B5 Cerva CF-34 Guepard. IO-540-E1A5 Aero Commander 500-E. IO-540-E1B5 Aero Commander 500-U.   Poeschel P-300.   Shrike 500-S. IO-540-J4A5 Piper Aztec PA-23 “250”. IO-540-K1A5 Aeronautica Agricula Mexicana Quail.   Celair Eagle.   Embraer EMB-720 Minuano, EMB-721 Sertanejo.   Piper PA-32-300 Cherokee Six. IO-540-K1A5D Piper PA-32-300. IO-540-K1B5 Evangel-Air Evangel-Air.   Pilotus Britton-Norman BN-2B Islander.   Transavara T-300 Skyfarmer. IO-540-K1E5 Bellanca Bellanca. IO-540-K1F5 Ted Smith Aerostar 600. IO-540-K1G5 Embraer EMB-720 Minuano.   Piper Saratoga PA-32-300, Brave 300. IO-540-K1G5D Embraer EMB-721 Sertanejo.   Piper PA-32-300R Lance, SP PA-32-300R Saratoga. IO-540-K1H5 Seawind Seawind. IO-540-K1J5 Piper 600A Aerostar. IO-540-K1J5D Embraer EMB-201 Ipanema. IO-540-K1K5 Piper T35. IO-540-L1C5 Swearingen SX300. IO-540-M1A5 Piper PA-31-300 Navajo. IO-540-M1C5 King Engineering Angel. IO-540-S1A5 Piper 601B Aerostar, 601P Aerostar. IO-540-T4A5D General Aviation Model 114. IO-540-T4B5 Commander 114B. IO-540-T4B5D Rockwell 114. IO-540-V4A5 Aircraft Manufacturing Factory Aircraft Manufacturing Factory.   Maule MT-7-260, M-7-260. IO-540-W1A5 Maule MX-7-235, MT-7-235, M7-235. IO-540-X160 Airship Management Airship Management. IO-540-X170 Robinson Robinson. O-540-A1A5 Helio Military H-250. O-540-A1B5 Piper PA-32 “250” Aztec, PA-24 “250” Comanche. O-540-A1C5 Piper PA-24 “250” Comanche. O-540-A1D5 Piper PA-24 “250” Comanche. O-540-A4D5 American Champion American Champion.   Gomozig Gomozig.   Avipro Bearhawk. O-540-B1A5 Piper PA-23 “235” Apache. O-540-B2B5 S.O.C.A.T.A. 235CA Rallye. O-540-B2C5 Piper PA-24 “235” Pawnee. O-540-B4B5 Embraer EMB-710 Corioca.   Maule MX-7-235 Star Rocket, M-6-235 Super Rocket, M-7-235 Super Rocket.   Piper PA-28 “235” Cherokee.   S.O.C.A.T.A. 235GT Rallye, 235C Rallye. O-540-E4A5 Aviamilano F-250 Flamingo.   Piper PA-24 “260” Comanche.   Siai-Marchetti SF-260, SF-208. O-540-E4B5 Britton-Norman BN-2.   Piper PA-32 “260” Cherokee Six. O-540-E4C5 Pilotus Britton-Norman BN-2A-26 Islander; BN-2A-27 Islander; BN-2B-26 Islander II; BN-2A-21 Islander; BN-2A-Mark III-2 Trislander. O-540-F1B5 Robinson R-44. O-540-G1A5 Piper PA-25 “260” Pawnee. O-540-J1A5D Maule MX-7-235 Star Rocket, M-6-235 Super Rocket, M-7-235 Super Rocket. O-540-J3A5 Robin R-3000/235. O-540-J3A5D Piper PA-28-236 Dakota. O-540-J3C5D Cessna R-182 Skylane. O-540-L3C5D Cessna TR-182 Turbo Skylane. TIO-540-AA1AD Aerofab Inc 270 Turbo Renegade. TIO-540-AB1AD S.O.C.A.T.A. TC TB-21 Trinidad. TIO-540-AE2A Piper PA-46-350P Mirage. TIO-540-AF1B Mooney TLS M20M. TIO-540-AG1A Commander Aircraft 112TC. TIO-540-AH1A Piper TC PA-32-301T TurboSaratoga. TIO-540-AK1A Cessna T182T Turbo Skylane. TIO-540-C1A Piper PA-23-250 Turbo Aztec. TIO-540-J2B Piper T-1020. TIO-540-U2A Piper 700P Aerostar. TIO-540-W2A Aero Mercantil Gavilan. TIO-540-X136 Schweizer Schweizer. TIO-540-X155 Cessna T182 (AK1A). IO-720-D1B Embraer EMB-400 Ipanema, IAR-821.   Nauchang N5. IO-720-D1C Piper PA-36-375 Brave.

Compliance

You are responsible for having the actions required by this AD performed within the compliance times specified unless the actions have already been done. Engines for Which No Action Is Required (f) If your engine meets any of the following conditions, and you have not had the crankshaft replaced since meeting the condition, no further action is required: (1) Engines that are in compliance with Lycoming MSB No. 552 (AD 2002-19-03) or MSB No. 553 (AD 2002-19-03 Table 3 or Table 5); or (2) Engines that are in compliance with Lycoming MSB No. 566 AD (2005-19-11); or (3) Engines that are in compliance with Lycoming Supplement No. 1 to MSB No. 566 (AD 2006-06-16); or (4) Engines that are in compliance with the original issue of Lycoming MSB No. 569, or MSB No. 569A. (5) For engines identified in paragraphs (f), (g), (h), or (i) of this AD, owners or operators may make an entry in the AD status log required by 14 CFR 91.417(a)(2)(v) that this AD required no action for compliance. (g) If Lycoming Engines manufactured new, rebuilt, overhauled, or repaired your engine, or replaced the crankshaft in your engine before March 1, 1997, and you have not had the crankshaft replaced, no further action is required. (h) If Table 1, Table 2, Table 3, or Table 4 of Lycoming MSB No. 569A, dated April 11, 2006, lists your engine serial number (SN), and Table 5 of MSB No. 569A, dated April 11, 2006, does not list your crankshaft SN, no further action is required. (i) For engine model TIO-540-U2A, SN L-4641-61A, no action is required. Engines for Which Action Is Required (j) If Table 1, Table 2, Table 3, or Table 4 of Lycoming MSB No. 569A, dated April 11, 2006, lists your engine SN, and Table 5 of MSB No. 569A, dated April 11, 2006, lists your crankshaft SN, replace the affected crankshaft with a crankshaft that is not listed in Table 5 of MSB No. 569A at the earliest of the following: (1) The time of the next engine overhaul as specified in Lycoming Engines Service Instruction No. 1009AS, dated May 25, 2006; or (2) The next separation of the crankcase; or (3) No later than 12 years from the time the crankshaft first entered service or was last overhauled, whichever is later. (k) If Table 1, Table 2, Table 3, or Table 4 of Lycoming MSB No. 569A, dated April 11, 2006, does not list your engine SN, and Table 5 of MSB No. 569A does list your crankshaft SN (an affected crankshaft was installed as a replacement), replace the affected crankshaft with a crankshaft that is not listed in Table 5 of MSB No. 569A at the earliest of the following: (1) The time of the next engine overhaul as specified in Lycoming Engines Service Instruction No. 1009AS, dated May 25, 2006; or (2) The next separation of the crankcase; or (3) No later than 12 years from the time the crankshaft first entered service or was last overhauled, whichever is later. Prohibition Against Installing Certain Crankshafts (l) After the effective date of this AD, do not install any crankshaft that has a SN listed in Table 5 of Lycoming MSB No. 569A, dated April 11, 2006, into any engine. Alternative Methods of

Unsafe condition

This AD results from reports of 23 confirmed failures of similar crankshafts in Lycoming Engines 360 and 540 series reciprocating engines. We are issuing this AD to prevent failure of the crankshaft, which will result in total engine power loss, in-flight engine failure, and possible loss of the aircraft.

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