67-15-04 SUD AVIATION: Amdt. 39-396 Part 39 Federal Register April 14, 1967. Applies to Model SE 3130 Alouette II Helicopters.
Compliance required as indicated.
To detect cracks in the tail rotor gear box drive shaft, Sud Aviation P/N 3130-66-22-002, accomplish the following:
(a) Within the next 80 hours' time in service after the effective date of this AD, unless already accomplished within the last 100 hours' time in service, and thereafter at intervals not to exceed 180 hours' time in service from the last inspection, inspect the tail rotor gear box drive shaft, Sud Aviation P/N 3130-66-22-002, for cracks using dye penetrant in accordance with Sud Service No. 65-30, or later SGAC-approved issue, or an FAA-approved equivalent.
(b) If cracks are detected during the inspection required by (a) of this AD, replace tail rotor gear box drive shaft P/N 3130-66-22-002 with new tail rotor gear box drive shaft P/N 3130-66-22-007.
(c) Repetitive inspections required by (a) of this AD may be discontinued after new replacement tail rotor gear box drive shaft P/N 3130-66-22-007 is installed.
This directive effective May 14, 1967.