AD 2017-11-10

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Lycoming Engines Reciprocating Engines

AD Number
2017-11-10
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2016-9512
FR Citation
82 FR 26982

Applicability

TypeManufacturerModelDetails
engine Lycoming Engines Reciprocating Airworthiness Directives; Lycoming Engines Reciprocating Engines

Unsafe Condition

Cracked engine exhaust pipes and exhaust studs pulling out from cylinders on Lycoming TIO-540-AJ1A reciprocating engines, which could lead to engine exhaust leaks.

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

Required Actions

Initial and repetitive inspections of all engine exhaust system weld joints, and torque checking the exhaust pipe flange mounting nuts.

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 TIO-540-AJ1A reciprocating engines.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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