What was found
CORROSION ON SETTLEMENT AREA AND COUNTERSINK OF LT WING FUEL ACCESS DOOR NR 1303C, MRB 57-31-082, LW, AYP, CARD 170, ZONE 10. LT WING FUEL ACCESS DOOR NR 1303C WAS REPLACED IAW SRM 51-22-2A, DUE TO BLEND OUT IS NOT PERMITTED UPPER ACCESS DOOR, PN 3912757 IAW SRM 51-22-2A.