# AD 80-15-11: Quill Shafts

- Type: Airworthiness directive
- Status: Current
- Products: Kawasaki Heavy Industries KV107-II and KV107-IIA
- Effective: August 7, 1980
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-3853
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1289E2ED970E3F4186256A4E004830F1.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/80-15-11

## 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 data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H1PC](https://openairdocs.org/tcds/H1PC): Kawasaki Heavy Industries Limited; names 2 of 2 models: KV107-IIA, KV107-II

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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