AD 2008-08-14

final rule
Data completeness: 70%

Airworthiness Directives; Lycoming Engines IO, (L)IO, TIO, (L)TIO, AEIO, AIO, IGO, IVO, and HIO Series Reciprocating Engines, Teledyne Continental Motors (TCM) TSIO-360-RB Reciprocating Engines, and Superior Air Parts, Inc. IO-360 Series Reciprocating Engines With Certain Precision Airmotive LLC RSA-5 and RSA-10 Series Fuel Injection Servos

AD Number
2008-08-14
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2008-0420
FR Citation
73 FR 19977

Applicability

TypeManufacturerModelDetails
engine Lycoming Engines IO Airworthiness Directives; Lycoming Engines IO, (L)IO, TIO, (L)TIO, AEIO, AIO, IGO, IVO, and HIO Series Reciprocating Engines, Teledyne Continental Motors (TCM) TSIO-360-RB Reciprocating Engines, and Superior Air Parts, Inc. IO-360 Series Reciprocating Engines With Certain Precision Airmotive LLC RSA-5 and RSA-10 Series Fuel Injection Servos

Unsafe Condition

Fuel injection servo plugs, part number 383493, may loosen or back out of the threaded plug hole on the regulator cover of the fuel injection servo, leading to a lean running engine and potential loss of engine power.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the fuel injection servo plugs for looseness or backing out. Replace any affected servo plugs and install new servo plug gaskets, part number 365533, under the plug hex-head. Revise the AFM to include operational procedures for monitoring engine performance.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

Lycoming Engines IO, (L)IO, TIO, (L)TIO, AEIO, AIO, IGO, IVO, and HIO series reciprocating engines; Teledyne Continental Motors (TCM) TSIO-360-RB reciprocating engines; Superior Air Parts, Inc. IO-360 series reciprocating engines with Precision Airmotive LLC RSA-5 and RSA-10 series fuel injection servos.

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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