# AD 60-10-10: Rotor Blade Retirement

- Type: Airworthiness directive
- Status: Current
- Products: Boeing Defense & Space Group 44A and 44B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/86192606FF1CF80F86256A32005B3CA7.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/60-10-10

## The airworthiness directive

60-10-10 VERTOL: Amdt. 140 Part 507 Federal Register May 4, 1960. Applies to all 44 series helicopters.

Compliance required as indicated.

All forward rotor blades P/N 42R1002-9, -13, -15, -19, -90, -130, -131, -132, -150, and - 152 must be retired at 800 hours of service time. All forward rotor blades P/N 42R1002-137 AND -139 and all aft rotor blades P/N 42R1002-2, -4, -20, and -40 must be retired at 1,350 hours of service time.

When the above blades are modified to 42R1002-42, -133, or -135 the provisions of this airworthiness directive no longer apply.

This supersedes AD 59-25-02.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1H12](https://openairdocs.org/tcds/1H12): Boeing Defense & Space Group; names 2 of 4 models: 44B, 44A

## 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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