What was found
IN C-3 CARGO COMPT FS 1665 BETWEEN STRINGERS 33 AND 28 THE WEB TOP SURFACE AND ALL NUT PLATES FOUND CORRODED. REMOVED CORROSION IAW L1011 SRM 51-21-00. FOUND TO BE OUT OF LIMITS IAW SRM 53-23-00 FIG 801. REPAIRED FLOORBEAM UPPER CAP IAW SRM 53-23-00 FIG 802. TREATED IAW SRM 51-21-02, PRIMED IAW L1011 MM 20-51-09. FOUND DURING SCHEDULED C-CHECK AND CPCP WORK CARD ACCOMPLISHMENT AT AIA. MAINTENANCE FACILITY IN OSCODA, MI. WORK ORDER NR 106-211, NON ROUTINE CARD NR 31582, CPCP TASK NR C53-120-04-03.