AD 86-24-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; British Aerospace Model HP-137 MK 1, Jetstream 200 Series and Jetstream 3101 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; British Aerospace Model HP-137 MK 1, Jetstream 200 Series and Jetstream 3101 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; British Aerospace Model HP-137 MK 1, Jetstream 200 Series and Jetstream 3101 Airplanes |
Unsafe Condition
Loose special stud BAe P/N 13705E29 and nut BAe P/N A103-JT, insufficient thread protrusion, or missing punch marks could lead to aileron control vibration and jamming.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the stud and nut for tightness, thread length, and punch marks per BAe Mandatory S/B No. 27-JM-5257. If loose or out of tolerance, remove aileron quadrant and check nut security and peening. Replace nut with BAe P/N RMTE 9868-6, stud with BAe P/N 13705E91, and install split pin SP90-C7 if non-compliant.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 600 hours time-in-service (TIS) after the effective date of this AD
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Affected Aircraft
British Aerospace Models HP-137 MK 1 and Jetstream 200 Series (all serial numbers), and Model Jetstream 3101 (S/N 601-633, 635-646, 648-654 inclusive)
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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