AD 87-03-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; British Aerospace Model 3101 Jetstream Airplanes |
Unsafe Condition
Failure of HiTemp Valves Part Number HTE 4925-001 due to valve spindle fracture in fuel/hydraulic and water methanol systems during critical flight operations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify HiTemp Valves P/N HTE 4925-001 by replacing valve spindles P/N 4925-005 with strengthened spindles P/N 4925-013 per HiTemp SB HTE 4925/1-SB-1 and BAe S/B 28-JA850911. Perform functional tests as specified in the referenced documents.
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Compliance Time
within 600 hours time-in-service (TIS) after the effective date of this AD
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Affected Aircraft
British Aerospace Model 3101 Jetstream airplanes with serial numbers 642 to 646, 648 to 655, 657, 658 and 660 to 666 inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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