AD 2000-07-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Various | Transport Category | Airworthiness Directives; Various Transport Category Airplanes Equipped With Certain Honeywell Air Data Inertial Reference Units |
Unsafe Condition
Dual critical failures of inertial reference units (IR) on Honeywell air data inertial reference units (ADIRU) during flight, leading to loss of main sources of attitude data, high pilot workload, and increased likelihood of pilot error.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect a failed ADIRU to determine its modification status. Replace any unmodified failed ADIRU with a serviceable ADIRU. Optional terminating action is provided.
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Compliance Time
Before further flight
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Affected Aircraft
Transport category airplanes equipped with Honeywell ADIRU having serial number below 0841 and part numbers HG2050AC02, HG2050AC03, HG2050AC04, HG2050AC05, HG2030AD09, HG2030AD10, including specific models from Boeing (757-300, 737-600, 737-700, 737-800) and Airbus (A319, A320, A321, A330, A340 series).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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