What was found
THE AIRCRAFT IS IN BASE MAINTENANCE. WHILE ACCOMPLISHING TASK CARD 26T22053004, DETECTED CRACKS GREATER THAN .030" DEEP ON INTERCOSTAL FITTING AT 2:00,4:00 AND 6:00 POSITIONS AT L-1 DOOR STOP FITTING NUMBER 7, LOWER INBOARD BOLT HOLE AT FRAME 16 AS MARKED. REPLACED INTERCOSTAL FITTING PER SRM 51-42-11, EA 277874, AND DRAWING D53112300.