- Effective
- July 6, 1973
- Model
- H.P. 137 Jetstream Mk. 1
- Data sheet
- TCDSA21EU
- Product
- Aircraft · Small/large airplane
- Amendment
- 39-1660
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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|---|---|---|---|
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On this page
The airworthiness directive
73-12-10 HANDLEY PAGE (JETSTREAM AIRCRAFT LTD): Amdt. 39-1660. Applies to Model HP-137 Mk 1 airplanes.
Compliance is required within the next 50 hours' time in service after the effective date of this AD unless already accomplished.
To prevent the possible unnecessary interruption of current flow to the battery bus and non-essential bus, replace the 30 amp fuse, F10 in the D.C. power control box with a 25 amp Klixon circuit breaker, P/N D6761- 1-25, in accordance with Jetstream Aircraft Limited Modification No. 5006, Parts 1 and 2, dated September 1971, or an FAA-approved equivalent.
This amendment becomes effective July 6, 1973.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.