What was found
FOUND AFT PRESSURE BULKHEAD CIRCUMFERENTIAL BETWEEN STRINGERS 33 AND 38 CORRODED. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 51-21-01. FABRICATED REPLACEMENT PARTS IAW SRM 51-10-01. TREATED AND PRIMED IAW SRM 51-21-02 AND MM 20-51-09. INSTALLED REPAIR IAW SRM 51-40-01. FOUND DURING SCHEDULED C-CHECK AND CPCP WORK CARD ACCOMPLISHMENT AT AIA. MAINTENANCE FACILITY IN OSCODA, MI. WORK ORDER NR 106-187, NON ROUTINE CARD NR 32491, CPCP TASK NR C53-120-04-03.