What was found
CORROSION FOUND AT MAIN DECK FLOORBEAM LOWER CHORD/CAP AT FS 669, RBL 78. REMOVED CORROSION IAW L1011 SRM 51-21-01. FOUND TO BE OUT OF LIMITS IAW SRM 51-50-02. REMOVED DAMAGED AREA IAW SRM 51-50-02. TREATED AND PRIMED IAW SRM 51-21-02. INSTALLED REPAIR PER L1011 SRM 51-40-01. FOUND DURING SCHEDULED C-CHECK AND CPCP WORK CARD ACCOMPLISHMENT AT AIA. MAINTENANCE FACILITY IN OSCODA, MI. WORK ORDER NR 106-208, NON ROUTINE CARD NR 32458, CPCP TASK NR C53-130-05-00.