AD 87-10-06 R1

final rule
Data completeness: 70%

TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.

AD Number
87-10-06 R1
Status
final_rule
Effective Date
Product Category
engine
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
engine Lycoming Engines IO-360-B4 TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines IVO-360-A1A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines O-340-A1A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines O-340-A2A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines O-340-B1A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines O-540-E4G5 TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines VO-360-A1A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines VO-360-A1B TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines VO-360-B1A TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.
engine Lycoming Engines AEIO-320-D1B TEXTRON LYCOMING Models O-320-A & E series, O-320-B & D series, IO-320 series, O-360 series, IO-360-B series, AEIO-360B series, O-540 series, IO-540-C4B5, IO-540-C4D5D, IO-540-D4A5, IO-540-V4A5D, IO-540-W1A5D, IO-540-W3A5D, AEIO-540-D series, TIO-540-AA1AD, TIO-540-AB1AD, O-320 series except O-320-H; AIO-320 series; AEIO-320 series; LIO-320 series; O-340 series; O-360 series except O-360-E; IO-360-B, -E, -F series; AEIO-360-B, -H series; HO-360 series; HIO-360-B series; VO-360 series; IVO-360 series; O-540 series; IO-540-C, -D, -J, -N, -R, -T, -V, -W series; AEIO-540-D series; TIO-540-C, -E, -G, -H, -K, -AA, -AB series, LTIO-540-K Engines.

Unsafe Condition

Rocker Arm Assembly

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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