# AD 63-19-06: Main Rotor Shaft

- Type: Airworthiness directive
- Status: Current
- Products: Airbus Helicopters SE 3130-Alouette II
- Effective: September 13, 1963
- Published: September 13, 1963
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Registered aircraft: 8 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F1B3E6CCBC20A1E686256A33006F670F.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/63-19-06

## The airworthiness directive

63-19-06 SUD AVIATION: Amdt. 615 Part 507 Federal Register September 13, 1963. Applies to SE 3130 Alouette II Aircraft.

Compliance required as indicated.

To prevent fatigue failure in the top fillet radius area of the rotor shaft, P/N 68.00.001, the following shall be accomplished within 10 hours' time in service after the effective date of this AD:

  (a) Rotor shafts Serial Numbers 307 and 309 shall be replaced with new shafts and the replaced shafts damaged or marked in such a way as to preclude their further use in any helicopter.

  (b) Rotor shafts other than those covered in paragraph (a) shall be inspected and reworked or replaced in accordance with Sud Technical Instruction for SE 3130 Alouette II helicopters (Appendix to Service Bulletin 68.11.210A) by Sud or Republic Aviation, unless already accomplished. There is no life limit for shafts that incorporate this modification and are marked on the bottom with D12.13.394 or D12.13.424. Reworked or new rotor shaft may replace unreworked shafts when replacement is required.

(Sud Service Bulletin AL II No. 68.11.210/A, including Appendix entitled "Technical Instruction", covers this subject.)

This directive effective September 13, 1963.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7H1](https://openairdocs.org/tcds/7H1): Airbus Helicopters; names 1 of 5 models: SE 3130-Alouette II

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 8 (8 by airframe model, 0 by engine model)
- Makers: S N I A S 7, Sud 1

Models with the most aircraft:

- [S N I A S SE 3130 ALOUETTE II](https://openairdocs.org/model/s-n-i-a-s-se-3130-alouette-ii): 7 aircraft (airframe model)
- [Sud SE3130 ALOUETTE II](https://openairdocs.org/model/sud-se3130-alouette-ii): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/63-19-06/models.md
Every aircraft: https://openairdocs.org/ad/63-19-06/aircraft.md

Its text cites no advisory circulars or STCs.

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