60-07-03 CALLAIR: Amdt. 119 Part 507 Federal Register March 25, 1960. Applies to All CallAir Models A-4, A-4 Modified, A-5 Up To and Including Serial Number 292 and A-6 Aircraft Serial Numbers 202, 244, 248, 252, 262, 264, 268, 269, 270 and 271.
Compliance required not later than May 15, 1960, and at each 50 hours' time in service thereafter.
Due to reports of cracks and separation of the lower diagonal brace member on the engine mount the following inspection shall be conducted.
Visually inspect the lower diagonal brace member of the engine mount especially in the area of the gusset plates at the ends of the members. If cracks are found, replace with CallAir redesigned mount, P/N 6-11-4A, or repair in accordance with the method outlined in CallAir Service Bulletin No. 7, or equivalent. After replacement with P/N 6-11-4A or repair, this special inspection may be discontinued. (CallAir Service Bulletin No. 7 covers this same subject.)