AD 88-04-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-500 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Series Airplanes |
Unsafe Condition
Continued operation of the Digital Flight Data Recorder (DFDR) and Cockpit Voice Recorder (CVR) after an accident may result in the loss of recorded information.
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Required Actions
Modify the DFDR and CVR power supply logic in accordance with Aerospatiale Service Bulletin ATR42-23-0002, Revision No. 1, dated March 11, 1987. Alternate means of compliance or adjustment of compliance time may be used with FAA concurrence.
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Compliance Time
within one year of the effective date of this AD
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Affected Aircraft
AEROSPATIALE Model ATR-42 series airplanes listed in Service Bulletin ATR42-23-0002, Revision No. 1, dated March 11, 1987
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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