AD 92-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE Model ATR42-300 and ATR42-320 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE Model ATR42-300 and ATR42-320 Series Airplanes |
Unsafe Condition
Collapse of the main landing gear due to fatigue cracks in the fastener holes and insufficient reinforcement of the MLG structure.
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Required Actions
Install a new machined reinforcement fitting (Modification 1281) on both sides of the main landing gear, perform a one-time eddy current inspection of the fastener holes to detect fatigue cracks, install doublers on Stringer 15 at Frame 25 on the reinforcement plate, and perform cold working procedures on two fastener holes on both sides of the MLG. Repairs must be done before further flight if cracks are found.
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Compliance Time
Prior to the accumulation of 10,000 landings since new, or within 30 days after the effective date of this AD (October 13, 1992), whichever occurs later.
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Affected Aircraft
AEROSPATIALE Model ATR42-300 and ATR42-320 series airplanes listed in Service Bulletin ATR42-53-0043, Revision 4, dated April 30, 1991.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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