| AD Number | 73-12-10 | Status | Active |
| Effective Date | July 06, 1973 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1660 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small/Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | British Aerospace Regional Aircraft |
| Model(s) | H.P. 137 Jetstream Mk. 1 |
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.