importantRule

AD FAA-2011-0604

Airworthiness Directives; Lycoming Engines Model IO-720-A1B Reciprocating Engines

Summary

We are adopting a new airworthiness directive (AD) for certain model IO-720-A1B Lycoming Engines reciprocating engines. This AD requires a crankshaft inspection for certain parts that may be installed. This AD was prompted by the failure of a crankshaft due to incorrect parts installed. We are issuing this AD to prevent engine crankshaft failure and damage to the airplane.

Directive Details

AD Number

FAA-2011-0604

Document Number

2011-22244

Type

Rule

Publication Date

September 14, 2011

Effective Date

September 29, 2011

Affected Manufacturer

Lycoming Engines Model IO-720-A1B Reciprocating

Criticality

important

Emergency

Docket ID

Docket No. FAA-2011-0604

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDF View on Federal Register

View all ADs for Lycoming Engines Model IO-720-A1B Reciprocating →

Automated AD compliance tracking

AeroCopilot matches ADs to your aircraft and tracks compliance status. Included in every plan from $9.99 monthly.

Start free

3 sections gated

Unlock AD-to-aircraft matching, compliance tracking, recurrence schedule with a free AeroCopilot account.

Free forever · No credit card · Sourced directly from FAA & NOAA pipelines