What was found
MAIN CABIN FRAME AT STA 1600 BETWEEN S-2L TO S-2R HAS ELONGATED MOUNT HOLES. AFTER EVALUATION FOUND RIVETS HOLES CRACKED AT STA 1600 BETWEEN S-2L TO S-2R IAW SRM 53-00-07, FIG 101. ALLOWABLE DAMAGE 2 SF. REPAIRED SECTION FRAME IAW SRM 53-00-07, FIG 201, REPAIR 3 SF. CATEGORY "B" MAJOR REPAIR. SUPPLEMENTAL INSP DUE AT 10,000 FC, AFTER REPAIR INSTALLED, THEN EVERY 12,000 FC USING HFEC METHOD.