- Effective
- August 25, 1981
- Models
- KV107-II, KV107-IIA
- Data sheet
- TCDSH1PC
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-4164
- Docket
- 81-ASW-11
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
81-15-07 KAWASAKI HEAVY INDUSTRIES, LTD. (KHI): Amendment 39-4164. Applies to Models KV107-II and KV107-IIA helicopters equipped with main rotor tension-torsion strap assemblies, P/N 107R2003-1, certificated in all categories (Airworthiness Docket No. 81-ASW-11).
Compliance required as indicated.
To prevent fatigue failure of the main rotor tension-torsion strap assemblies, remove from service tension-torsion strap assemblies, P/N 107R2003-1, on or before the accumulation of 27,800 hours' time in service and replace with a serviceable part that has less than 27,800 hours' total time in service.
This amendment becomes effective August 25, 1981.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.