AD 95-02-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; British Aerospace Model ATP Airplanes |
Unsafe Condition
Failure of the transformer rectifier units (TRU) due to damage, overheating, or improper operation of DC connections and cooling fans, which could lead to loss of essential electrical power required to continue safe flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 225 hours time-in-service after the AD's effective date, and every 625 hours thereafter, inspect DC connections for damage/overheating and ensure torque loads are within limits; inspect cooling fan blades for overheating damage and test cooling fan operation. Repair or replace components as needed before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 225 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 625 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model ATP airplanes equipped with Ferranti Transformer Rectifier Unit TR202A (Pt. No. 84/59100) or TR202B (Pt. No. 84/60040), certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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