What was found
DURING HEAVY MAINTENANCE, CRACK INDICATION FOUND (BY ROTOTEST INSPECTION) IN OPEN FASTENER HOLE LOCATED ON FRAME 35 COUPLING AREA BULKHEAD ABOVE STR 30RH, CRACK DIREC TION: 07 OCLOCK, D1-D2= 0.073 INCH APPROX AD RELATED TASK CARD NO. A32 0-53-1372-01. ACCOMPLISHED REPAIR ON HOLE W1 LOCATED ON FRAME 35 COUPLING AREA BULKHEAD ABOVE STR 30RH, IAW AEROMAN EA 53-0042-26 PART 0 (COVER AND PART 1, PART 2, PART 3) AND RDAF 81803369/003/2026 ISSUED A, EC A26-505-01. THIS REPAIR IS CATEGORY B, FOR MILLED COUPLING LAYER INSPECTION THRESHOLD 67,700FC/135,400FH, INSPECTION INTERVAL:TBD, INSPECTION METHOD:TBD, ON FRAME LAYER: INSPECTION THRESHOLD :13,100FC/26,200FH (WHICHEVER OCCUS FIRST), INSPECTION INTERVAL: 13,100FC/26,200FH (WHICHEVER OCCUS FIRST), INSPECTION METHOD:EC AROUND FREEZE PLUG LAYER OF FRAME WEB IAW NTM 51-10-16