- Effective
- August 7, 1980
- Models
- KV107-II, KV107-IIA
- Data sheet
- TCDSH1PC
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-3853
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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On this page
The airworthiness directive
80-15-11 KAWASAKI HEAVY INDUSTRIES, LTD.: Amendment 39-3853. Applies to Models KV107-II and KV107-IIA helicopters, certificated in all categories.
Compliance required as indicated unless already accomplished.
To prevent possible failure of aft transmission quill shafts, P/N 107D2067-1 and -3, accomplish the following:
(a) Within 50 hours time in service after the effective date of this AD, remove from service all quill shafts, P/N 107D2067-1 and -3, that have accumulated 5990 hours or more time in service, and replace with a new part of the same part number.
(b) Replace quill shafts, P/N 107D2067-1 and -3, that have less than 5990 hours time in service, with a new part of the same part number, when the parts have accumulated not more than 6040 hours time in service.
This amendment becomes effective August 7, 1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.