AD 2010-11-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | Motors | Airworthiness Directives; Teledyne Continental Motors (TCM) 240, 346, 360, 470, 520, and 550 Series and Rolls-Royce Motors, Ltd. (R-RM) IO-240-A Reciprocating Engines |
Unsafe Condition
Rapid wear on the face of hydraulic lifters, part numbers 657913, 657915, and 657916, which can result in loss of engine power and loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace hydraulic lifters with part numbers 657913, 657915, and 657916 before further flight. Use the procedures in TCM Mandatory Service Bulletin MSB09-8A, dated December 4, 2009, to inspect and remove affected lifters.
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Compliance Time
Before further flight after the effective date of this AD.
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Affected Aircraft
All Teledyne Continental Motors (TCM) 240, 346, 360, 470, 520, and 550 series and Rolls-Royce Motors, Ltd. (R-RM) IO-240-A reciprocating engines with hydraulic lifters, part numbers 657913, 657915, or 657916, installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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