What was found
DURING CHECK-C MAINTENANCE, FOUND SHARP EDGE GOUGE MARKS AND DENT APPROX 15 IN FWD OF MAIN ENTRY DOOR AND APPROX 4 IN ABOVE THE FLOOR LINE. DIMENSIONS MEASURE 2 IN W BY 3 IN H TIMES 0.052 DEEP. NDT TEST INDICATED MINIMUM SKIN THICKNESS OF 0.040 PER PART 51-04-00 OF NDT MANUAL. ACCOMP HIGH FREQ EDDY CURRENT PER 51-00-03 PART 6 AND NO CRACKS. DENT RATIO IS 38.5 TO 1. REPAIRED PER SRM 53-04 CONDITION C3 VIEW 1. DING REMOVED AND REPAIRED WITH 1 1/4 IN PLUG PER SAME REFERENCE.