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Airworthiness Directive

AD 2010-11-04 75 FR 30290 Active

Federal Aviation Administration · 14 CFR part 39

Requires before further flight, replacing certain part number (P/N) hydraulic lifters.

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FR document
2010-12177
Amendment
39-16309
Published
2010-06-01
Effective
2010-06-16
Models covered
4

Last live check: 2026-08-19

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AD

2010-11-04

FR doc 2010-12177 · 75 FR 30290

AD 2010-11-04Published 2010-06-01Effective 2010-06-16

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires before further flight, replacing certain part number (P/N) hydraulic lifters.

Supersedes an earlier directive that is not in our index. See the official text.

Full official abstract

The FAA is superseding an existing emergency airworthiness directive (AD) 2009-24-52 that was sent previously to all known U.S. owners and operators of TCM 240, 360, 470, 520, and 550 series reciprocating engines. That AD requires before further flight, replacing certain part number (P/N) hydraulic lifters. This AD results from TCM reporting another occurrence of rapid wear on the face of hydraulic lifters, P/Ns 657913, 657915, and 657916, and from the need to expand the applicability of this AD to include the TCM 346 series reciprocating engines and the R-RM IO-240-A reciprocating engines. We are issuing this AD to prevent excessive hydraulic lifter wear, which can result in loss of engine power and loss of control of the airplane.

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All Continental IO-360 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 4 models in our index