- Effective
- August 1, 1967
- Models
- Spey 506-14, Spey 511-14
- Data sheet
- TCDSE2EU
- Registered aircraft
- 1 matched by model
- Product
- Engine
- Amendment
- 39-453
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.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 21 KB | 056ee209…4b7be26 | FAA DRS (API key needed) |
On this page
The airworthiness directive
67-08-06 ROLLS-ROYCE: Amdt. 39-453 Part 39 Federal Register, August 1, 1967. Applies to Spey Mark 506-14, 510-14, and 511-14 Engines.
Compliance required as indicated.
To prevent fuel loss due to clamp failure accomplish the following:
(a) Within the next 25 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 25 hours' time in service, inspect in accordance with the Accomplishment Instructions of Rolls- Royce Service Bulletin SP 72-360 (Mod. 2689) and SP 71-93 (Mod. 2468 PP), Avica fuel tube clamps P/N's EU 34387A or 3405803, EU 34393A or 3405809, EU 34389A or 3405805, and EU 34388A or 3405804 to determine that the wire locking is intact and tight.
(b) The repetitive inspections may be discontinued when Part 1 or Part 2 of Rolls-Royce Modifications 2939 and 2512PP or a later ARB-approved equivalent has been incorporated.
(Rolls-Royce Alert Service Bulletin SP 72-A477 pertains to this subject.)
This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated February 27, 1967.
Revised August 1, 1967.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.