2012-19-01: Crankshafts
FAA order 2012-19-01 is an airworthiness directive in force since October 24, 2012. The FAA's subject line: Crankshafts. It names the Lycoming AEIO-360-A1A, Lycoming AEIO-360-A1B, Lycoming AEIO-360-A1B6, Lycoming AEIO-360-A1D, Lycoming AEIO-360-A1E, Lycoming AEIO-360-A1E6, Lycoming AEIO-360-A2C, Lycoming AEIO-360-B1B, Lycoming AEIO-360-B1F, Lycoming AEIO-360-B1G6, Lycoming AEIO-360-B1H, Lycoming AEIO-360-B2F, Lycoming AEIO-360-B4A, Lycoming AEIO-360-H1A, Lycoming AEIO-360-H1B, Lycoming AEIO-360 series, Lycoming AEIO-390-A1B6, Lycoming AEIO-540-D4A5, Lycoming AEIO-540-D4B5, Lycoming AEIO-540-L1B5, Lycoming AEIO-540-L1B5D, Lycoming AEIO-540 series, Lycoming AEIO-580-B1A, Lycoming IO-360-A1A, Lycoming IO-360-A1B, Lycoming IO-360-A1B6, Lycoming IO-360-A1B6D, Lycoming IO-360-A1D, Lycoming IO-360-A1D6, Lycoming IO-360-A1D6D, Lycoming IO-360-A2B, Lycoming IO-360-A3B6, Lycoming IO-360-A3B6D, Lycoming IO-360-A3D6D, Lycoming IO-360-B1A, Lycoming IO-360-B1B, Lycoming IO-360-B1C, Lycoming IO-360-B1D, Lycoming IO-360-B1E, Lycoming IO-360-B1F, Lycoming IO-360-B1F6, Lycoming IO-360-B1G6, Lycoming IO-360-B2E, Lycoming IO-360-B2F, Lycoming IO-360-B4A, Lycoming IO-360-C1A, Lycoming IO-360-C1C, Lycoming IO-360-C1C6, Lycoming IO-360-C1D6, Lycoming IO-360-C1E6, Lycoming IO-360-C1F, Lycoming IO-360-C1G6, Lycoming IO-360-D1A, Lycoming IO-360-E1A, Lycoming IO-360-F1A, Lycoming IO-360-L2A, Lycoming IO-360-M1A, Lycoming IO-360-M1B, Lycoming IO-360 series, Lycoming IO-390-A1A6, Lycoming IO-390-A1B6, Lycoming IO-390-A3A6, Lycoming IO-390 series, Lycoming IO-540-A1A5, Lycoming IO-540-AA1A5, Lycoming IO-540-AB1A5, Lycoming IO-540-AC1A5, Lycoming IO-540-AE1A5, Lycoming IO-540-B1A5, Lycoming IO-540-C1B5, Lycoming IO-540-C2C, Lycoming IO-540-C4B5, Lycoming IO-540-C4D5D, Lycoming IO-540-D4A5, Lycoming IO-540-D4B5, Lycoming IO-540-D4C5, Lycoming IO-540-E1A5, Lycoming IO-540-E1B5, Lycoming IO-540-G1A5, Lycoming IO-540-G1B5, Lycoming IO-540-G1C5, Lycoming IO-540-G1D5, Lycoming IO-540-J4A5, Lycoming IO-540-K1A5, Lycoming IO-540-K1A5D, Lycoming IO-540-K1B5, Lycoming IO-540-K1C5, Lycoming IO-540-K1E5, Lycoming IO-540-K1F5, Lycoming IO-540-K1G5, Lycoming IO-540-K1G5D, Lycoming IO-540-K1H5, Lycoming IO-540-K1J5, Lycoming IO-540-L1B5D, Lycoming IO-540-L1C5, Lycoming IO-540-M1B5D, Lycoming IO-540-M1C5, Lycoming IO-540-N1A5, Lycoming IO-540-P1A5, Lycoming IO-540-R1A5, Lycoming IO-540-S1A5, Lycoming IO-540 series, Lycoming IO-540-T4A5D, Lycoming IO-540-T4B5, Lycoming IO-540-V4A5D, Lycoming IO-540-W1A5, Lycoming IO-540-W1A5D, Lycoming IO-580-A1A, Lycoming IO-580-B1A, Lycoming IO-720, Lycoming IO-720-A1B, Lycoming IO-720-C1B, Lycoming IO-720-D1CD, Lycoming LIO-360-C1E6, Lycoming LO-360-A1G6D, Lycoming LO-360-A1H6, Lycoming LO-360-E1AD, Lycoming LTIO-540-F2BD, Lycoming LTIO-540-J2BD, Lycoming O-360-A1A, Lycoming O-360-A1AD, Lycoming O-360-A1D, Lycoming O-360-A1F, Lycoming O-360-A1F6, Lycoming O-360-A1F6D, Lycoming O-360-A1G, Lycoming O-360-A1G6, Lycoming O-360-A1G6D, Lycoming O-360-A1H, Lycoming O-360-A1H6, Lycoming O-360-A1LD, Lycoming O-360-A1P, Lycoming O-360-A2A, Lycoming O-360-A2D, Lycoming O-360-A2F, Lycoming O-360-A2G, Lycoming O-360-A3A, Lycoming O-360-A4A, Lycoming O-360-A4G, Lycoming O-360-A4K, Lycoming O-360-A4M, Lycoming O-360-A4P, Lycoming O-360-B1A, Lycoming O-360-B1B, Lycoming O-360-B2A, Lycoming O-360-B2C, Lycoming O-360-C1A, Lycoming O-360-C1E, Lycoming O-360-C1F, Lycoming O-360-C1G, Lycoming O-360-C2A, Lycoming O-360-C2C, Lycoming O-360-C2D, Lycoming O-360-C2E, Lycoming O-360-C4F, Lycoming O-360-C4P, Lycoming O-360-D1A, Lycoming O-360-D2A, Lycoming O-360-E1A6D, Lycoming O-360-F1A6, Lycoming O-360-G1A6, Lycoming O-360-J2A, Lycoming O-360 series, Lycoming O-540-A1A, Lycoming O-540-A1A5, Lycoming O-540-A1B5, Lycoming O-540-A1C5, Lycoming O-540-A1D, Lycoming O-540-A1D5, Lycoming O-540-A2B, Lycoming O-540-A4B5, Lycoming O-540-A4C5, Lycoming O-540-A4D5, Lycoming O-540-B1A5, Lycoming O-540-B1B5, Lycoming O-540-B2B5, Lycoming O-540-B2C5, Lycoming O-540-B4B5, Lycoming O-540-E4A5, Lycoming O-540-E4B5, Lycoming O-540-E4C5, Lycoming O-540-F1B5, Lycoming O-540-G1A5, Lycoming O-540-J1A5D, Lycoming O-540-J2A5D, Lycoming O-540-J3A5D, Lycoming O-540-J3C5D, Lycoming O-540-L3C5D, Lycoming O-540 series, Lycoming TIO-540-A1A, Lycoming TIO-540-A2B, Lycoming TIO-540-A2C, Lycoming TIO-540-AA1AD, Lycoming TIO-540-AB1BD, Lycoming TIO-540-AE2A, Lycoming TIO-540-AF1A, Lycoming TIO-540-AF1B, Lycoming TIO-540-AG1A, Lycoming TIO-540-AH1A, Lycoming TIO-540-AJ1A, Lycoming TIO-540-AK1A, Lycoming TIO-540-C1A, Lycoming TIO-540-F2BD, Lycoming TIO-540-J2B, Lycoming TIO-540-J2BD, Lycoming TIO-540-K1AD, Lycoming TIO-540-R2AD, Lycoming TIO-540-S1AD, Lycoming TIO-540 series, Lycoming TIO-540-U2A, Lycoming TIO-540-V2AD engines: about 41,951 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Engine
- Makes
- Lycoming Engines; Textron Lycoming, AVCO Corporation
- Models
- AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C, AEIO-360-A1D, AEIO-360-A1E, AEIO-360-A1E6, AEIO-360-A2A, AEIO-360-A2B, AEIO-360-A2C, AEIO-360-B1B, AEIO-360-B1D, AEIO-360-B1F, AEIO-360-B1F6, AEIO-360-B1G6, AEIO-360-B1H, AEIO-360-B2F, AEIO-360-B2F6, AEIO-360-B4A, AEIO-360-H1A, AEIO-360-H1B, AEIO-390- A1A6, AEIO-390-A1B6, AEIO-390-A3A6, AEIO-390-A3B6, AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5, AEIO-540-D4D5, AEIO-540-L1B5, AEIO-540-L1B5D, AEIO-540-L1D5, AEIO-580-B1A, IO-360-A1A, IO-360-A1B, IO-360-A1B6, IO-360-A1B6D, IO-360-A1C, IO-360-A1D, IO-360-A1D6, IO-360-A1D6D, IO-360-A2A,...
- Engine series
- Lycoming AEIO-360-A1A 3 aircraft
Lycoming AEIO-360-A1B 1 aircraft
Lycoming AEIO-360-A1B6 11 aircraft
Lycoming AEIO-360-A1D 15 aircraft
Lycoming AEIO-360-A1E 11 aircraft
Lycoming AEIO-360-A1E6 2 aircraft
Lycoming AEIO-360-A2C 1 aircraft
Lycoming AEIO-360-B1B 2 aircraft
Lycoming AEIO-360-B1F 4 aircraft
Lycoming AEIO-360-B1G6 22 aircraft
Lycoming AEIO-360-B1H 2 aircraft
Lycoming AEIO-360-B2F 7 aircraft
Lycoming AEIO-360-B4A 5 aircraft
Lycoming AEIO-360-H1A 8 aircraft
Lycoming AEIO-360-H1B 123 aircraft
Lycoming AEIO-360 series 883 aircraft
Lycoming AEIO-390-A1B6 35 aircraft
Lycoming AEIO-540-D4A5 55 aircraft
Lycoming AEIO-540-D4B5 3 aircraft
Lycoming AEIO-540-L1B5 56 aircraft
Lycoming AEIO-540-L1B5D 41 aircraft
Lycoming AEIO-540 series 434 aircraft
Lycoming AEIO-580-B1A 252 aircraft
Lycoming IO-360-A1A 195 aircraft
Lycoming IO-360-A1B 52 aircraft
Lycoming IO-360-A1B6 141 aircraft
Lycoming IO-360-A1B6D 844 aircraft
Lycoming IO-360-A1D 15 aircraft
Lycoming IO-360-A1D6 191 aircraft
Lycoming IO-360-A1D6D 3 aircraft
Lycoming IO-360-A2B 2 aircraft
Lycoming IO-360-A3B6 5 aircraft
Lycoming IO-360-A3B6D 74 aircraft
Lycoming IO-360-A3D6D 1 aircraft
Lycoming IO-360-B1A 49 aircraft
Lycoming IO-360-B1B 67 aircraft
Lycoming IO-360-B1C 6 aircraft
Lycoming IO-360-B1D 2 aircraft
Lycoming IO-360-B1E 184 aircraft
Lycoming IO-360-B1F 8 aircraft
Lycoming IO-360-B1F6 3 aircraft
Lycoming IO-360-B1G6 173 aircraft
Lycoming IO-360-B2E 3 aircraft
Lycoming IO-360-B2F 1 aircraft
Lycoming IO-360-B4A 969 aircraft
Lycoming IO-360-C1A 7 aircraft
Lycoming IO-360-C1C 45 aircraft
Lycoming IO-360-C1C6 64 aircraft
Lycoming IO-360-C1D6 14 aircraft
Lycoming IO-360-C1E6 43 aircraft
Lycoming IO-360-C1F 2 aircraft
Lycoming IO-360-C1G6 3 aircraft
Lycoming IO-360-D1A 4 aircraft
Lycoming IO-360-E1A 3 aircraft
Lycoming IO-360-F1A 3 aircraft
Lycoming IO-360-L2A 2,634 aircraft
Lycoming IO-360-M1A 549 aircraft
Lycoming IO-360-M1B 184 aircraft
Lycoming IO-360 series 8,560 aircraft
Lycoming IO-390-A1A6 20 aircraft
Lycoming IO-390-A1B6 47 aircraft
Lycoming IO-390-A3A6 1 aircraft
Lycoming IO-390 series 312 aircraft
Lycoming IO-540-A1A5 16 aircraft
Lycoming IO-540-AA1A5 8 aircraft
Lycoming IO-540-AB1A5 768 aircraft
Lycoming IO-540-AC1A5 50 aircraft
Lycoming IO-540-AE1A5 1,037 aircraft
Lycoming IO-540-B1A5 4 aircraft
Lycoming IO-540-C1B5 9 aircraft
Lycoming IO-540-C2C 1 aircraft
Lycoming IO-540-C4B5 179 aircraft
Lycoming IO-540-C4D5D 31 aircraft
Lycoming IO-540-D4A5 236 aircraft
Lycoming IO-540-D4B5 13 aircraft
Lycoming IO-540-D4C5 1 aircraft
Lycoming IO-540-E1A5 4 aircraft
Lycoming IO-540-E1B5 4 aircraft
Lycoming IO-540-G1A5 7 aircraft
Lycoming IO-540-G1B5 3 aircraft
Lycoming IO-540-G1C5 3 aircraft
Lycoming IO-540-G1D5 26 aircraft
Lycoming IO-540-J4A5 9 aircraft
Lycoming IO-540-K1A5 44 aircraft
Lycoming IO-540-K1A5D 3 aircraft
Lycoming IO-540-K1B5 17 aircraft
Lycoming IO-540-K1C5 1 aircraft
Lycoming IO-540-K1E5 5 aircraft
Lycoming IO-540-K1F5 2 aircraft
Lycoming IO-540-K1G5 48 aircraft
Lycoming IO-540-K1G5D 52 aircraft
Lycoming IO-540-K1H5 2 aircraft
Lycoming IO-540-K1J5 10 aircraft
Lycoming IO-540-L1B5D 4 aircraft
Lycoming IO-540-L1C5 18 aircraft
Lycoming IO-540-M1B5D 2 aircraft
Lycoming IO-540-M1C5 2 aircraft
Lycoming IO-540-N1A5 7 aircraft
Lycoming IO-540-P1A5 4 aircraft
Lycoming IO-540-R1A5 1 aircraft
Lycoming IO-540-S1A5 10 aircraft
Lycoming IO-540 series 4,218 aircraft
Lycoming IO-540-T4A5D 4 aircraft
Lycoming IO-540-T4B5 17 aircraft
Lycoming IO-540-V4A5D 39 aircraft
Lycoming IO-540-W1A5 31 aircraft
Lycoming IO-540-W1A5D 8 aircraft
Lycoming IO-580-A1A 1 aircraft
Lycoming IO-580-B1A 22 aircraft
Lycoming IO-720 119 aircraft
Lycoming IO-720-A1B 8 aircraft
Lycoming IO-720-C1B 1 aircraft
Lycoming IO-720-D1CD 1 aircraft
Lycoming LIO-360-C1E6 6 aircraft
Lycoming LO-360-A1G6D 3 aircraft
Lycoming LO-360-A1H6 9 aircraft
Lycoming LO-360-E1AD 1 aircraft
Lycoming LTIO-540-F2BD 1 aircraft
Lycoming LTIO-540-J2BD 5 aircraft
Lycoming O-360-A1A 600 aircraft
Lycoming O-360-A1AD 29 aircraft
Lycoming O-360-A1D 1,057 aircraft
Lycoming O-360-A1F 4 aircraft
Lycoming O-360-A1F6 13 aircraft
Lycoming O-360-A1F6D 18 aircraft
Lycoming O-360-A1G 1 aircraft
Lycoming O-360-A1G6 1 aircraft
Lycoming O-360-A1G6D 11 aircraft
Lycoming O-360-A1H 8 aircraft
Lycoming O-360-A1H6 106 aircraft
Lycoming O-360-A1LD 1 aircraft
Lycoming O-360-A1P 301 aircraft
Lycoming O-360-A2A 38 aircraft
Lycoming O-360-A2D 5 aircraft
Lycoming O-360-A2F 13 aircraft
Lycoming O-360-A2G 3 aircraft
Lycoming O-360-A3A 50 aircraft
Lycoming O-360-A4A 63 aircraft
Lycoming O-360-A4G 2 aircraft
Lycoming O-360-A4K 44 aircraft
Lycoming O-360-A4M 418 aircraft
Lycoming O-360-A4P 4 aircraft
Lycoming O-360-B1A 13 aircraft
Lycoming O-360-B1B 2 aircraft
Lycoming O-360-B2A 3 aircraft
Lycoming O-360-B2C 6 aircraft
Lycoming O-360-C1A 7 aircraft
Lycoming O-360-C1E 5 aircraft
Lycoming O-360-C1F 102 aircraft
Lycoming O-360-C1G 142 aircraft
Lycoming O-360-C2A 19 aircraft
Lycoming O-360-C2C 6 aircraft
Lycoming O-360-C2D 2 aircraft
Lycoming O-360-C2E 5 aircraft
Lycoming O-360-C4F 21 aircraft
Lycoming O-360-C4P 102 aircraft
Lycoming O-360-D1A 6 aircraft
Lycoming O-360-D2A 4 aircraft
Lycoming O-360-E1A6D 7 aircraft
Lycoming O-360-F1A6 23 aircraft
Lycoming O-360-G1A6 3 aircraft
Lycoming O-360-J2A 254 aircraft
Lycoming O-360 series 1,066 aircraft
Lycoming O-540-A1A 4 aircraft
Lycoming O-540-A1A5 7 aircraft
Lycoming O-540-A1B5 4 aircraft
Lycoming O-540-A1C5 4 aircraft
Lycoming O-540-A1D 1 aircraft
Lycoming O-540-A1D5 18 aircraft
Lycoming O-540-A2B 2 aircraft
Lycoming O-540-A4B5 2 aircraft
Lycoming O-540-A4C5 1 aircraft
Lycoming O-540-A4D5 7 aircraft
Lycoming O-540-B1A5 1 aircraft
Lycoming O-540-B1B5 1 aircraft
Lycoming O-540-B2B5 27 aircraft
Lycoming O-540-B2C5 13 aircraft
Lycoming O-540-B4B5 40 aircraft
Lycoming O-540-E4A5 9 aircraft
Lycoming O-540-E4B5 21 aircraft
Lycoming O-540-E4C5 15 aircraft
Lycoming O-540-F1B5 299 aircraft
Lycoming O-540-G1A5 6 aircraft
Lycoming O-540-J1A5D 11 aircraft
Lycoming O-540-J2A5D 1 aircraft
Lycoming O-540-J3A5D 6 aircraft
Lycoming O-540-J3C5D 24 aircraft
Lycoming O-540-L3C5D 18 aircraft
Lycoming O-540 series 5,244 aircraft
Lycoming TIO-540-A1A 5 aircraft
Lycoming TIO-540-A2B 4 aircraft
Lycoming TIO-540-A2C 6 aircraft
Lycoming TIO-540-AA1AD 2 aircraft
Lycoming TIO-540-AB1BD 1 aircraft
Lycoming TIO-540-AE2A 488 aircraft
Lycoming TIO-540-AF1A 3 aircraft
Lycoming TIO-540-AF1B 14 aircraft
Lycoming TIO-540-AG1A 1 aircraft
Lycoming TIO-540-AH1A 90 aircraft
Lycoming TIO-540-AJ1A 719 aircraft
Lycoming TIO-540-AK1A 508 aircraft
Lycoming TIO-540-C1A 9 aircraft
Lycoming TIO-540-F2BD 4 aircraft
Lycoming TIO-540-J2B 6 aircraft
Lycoming TIO-540-J2BD 24 aircraft
Lycoming TIO-540-K1AD 1 aircraft
Lycoming TIO-540-R2AD 1 aircraft
Lycoming TIO-540-S1AD 13 aircraft
Lycoming TIO-540 series 5,079 aircraft
Lycoming TIO-540-U2A 3 aircraft
Lycoming TIO-540-V2AD 2 aircraft
Dates and paperwork
- In force since
- October 24, 2012
- Published
- September 19, 2012 (signed August 27, 2012)
- Docket
- FAA-2006-24785
- Replaces
- 2006-20-09
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The FAA's summary their words, unchanged
We are superseding an existing airworthiness directive (AD) for certain 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. That AD currently requires replacing certain crankshafts in the affected engines. This AD continues to require replacing certain crankshafts, corrects the start date of affected engine models in Lycoming Mandatory Service Bulletin (MSB) No. 569A to the start date in Supplement No. 1 to Lycoming MSB No. 569A, dated May 27, 2009, and [[Page 58004]] includes additional (formerly experimental) IO-390, AEIO-390, and AEIO- 580 series engine models having affected crankshafts. This AD was prompted by Lycoming Engines discovering that the start date of affected engine models in MSB No. 569A is incorrect and the need to include additional engine models having the affected crankshafts. 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.
The order itself the regulatory text, as published
Show the full text (6,726 characters)
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 5, 2026. Connections as data: /graph/directive/2012-19-01.json · aircraft systems.
