AD 93-21-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; AEROSPATIALE Model ATR42-200 and -300 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE Model ATR42-200 and -300 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE Model ATR42-200 and -300 Series Airplanes |
Unsafe Condition
A severe out-of-trim condition, which could lead to reduced controllability of the airplane due to the autopilot disengagement wiring at shelf 82VU.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the autopilot disengagement wiring at shelf 82VU in accordance with Aerospatiale Service Bulletin ATR42-22-0012 or Revision 1. Alternative methods of compliance may be approved by the FAA if submitted through an FAA Principal Maintenance Inspector.
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Compliance Time
Within 6 months after the effective date of this AD (December 13, 1993).
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Affected Aircraft
AEROSPATIALE Model ATR42-200 and -300 series airplanes, serial numbers 3 through 179 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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