60-11-09 SUD AVIATION: Amdt. 154 Part 507 Federal Register May 18, 1960. Applies to All Alouette II SE 3130 Helicopters Equipped With Tail Rotor Blade Model Numbers 34.40.000 and 34.60.000.
Compliance required each five hours of time in service.
(a) Visually inspect the upper and lower blade surfaces to determine that the blade cuff at the attachment bolts and the skin around the entire reinforcement plate area are free from cracks.
(b) Check the end of the reinforcement plate for bonding separation by exerting light thumb pressure on the blade immediately outboard of the plate.
(c) If evidence of cracking or bonding separation is found blades must be replaced prior to further flight.
(d) All blade numbers 34.40.000 and 34.60.000 must be retired at 2,500 hours of service time.
(Sud Alouette Helicopter Service Bulletin No. 34.11.138B covers the same subject in Part D.)
Revised February 28, 1962.