What was found
CABIN FRAME IS CRACKED AT I/B FASTENER FOR PSU BRACKET STA.760 BETWEEN S-8LT & S-9LT. [MARKED AND VERIFIED WITH HFEC] INSPECTION THRESHOLD 12,000 FLIGHT CYCLE FROM THE REPAIR FIRST. REPEAT INSPECTIONS DVI AT INTERVAL 12,000 FLIGHT CYCLES. INSTALLATION OR 50,000 AIRFRAME FLIGHT CYCLES,WHICH EVER COMES CUT OUT DAMAGE AND INSTALLED REPAIR PARTS WITH HEX DRIVE BOLTS. INSPECTION REQUIREMENTS STEP 5 TABLE 203/REPAIR 8 ZONE 3. CUT OUT DAMAGE AND INSTALLED REPAIR PARTS WITH HEX DRIVE BOLTS FIG 202 DETAIL 1 REF SRM 53-00-07-2R-8. INSPECTION REQUIREMENTS STEP 5 TABLE 203/REPAIR 8 ZONE 3.