- Effective
- June 18, 1966
- Model
- 107-II
- Data sheet
- TCDS1H16
- Registered aircraft
- 12 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-240
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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|---|---|---|---|
| FAA DRS HTML | 20 KB | a13e67e7…8926d69 | FAA DRS (API key needed) |
On this page
The airworthiness directive
66-13-05 VERTOL: Amdt. 39-240 Part 39 Federal Register May 19, 1966. Applies to Model 107-II Helicopters.
Compliance required within the next 130 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent further simultaneous engine false fire warnings caused by electrical wiring system malfunction:
(a) Accomplish the following or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region
(1) Isolate each fire detector system test circuit by replacing wafer test switch, P/N 1-1917- 1N5, with switch, P/N 1-1919-2N5; and
(2) Revise the wiring arrangement in accordance with Vertol Service Bulletins Nos. 107-219 and 107-219A dated September 20, and October 22, 1965, respectively, or later FAA-approved revisions.
(b) After modification in accordance with (a), functionally test the engine fire detection system as described in Vertol 107-2 Maintenance Manual, Chapter 16.
Thisdirective effective June 18, 1966.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 12
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1962 | 5 |
|---|---|
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 1 |
2 with no year recorded