What was found
DURING C-CHECK INSPECTION, FOUND 1 IN. CRACK IN #3 PIT DOOR INNER SKIN R/H CNTR SECTION. CRACKED AREA WAS REMOVED I.A.W. DC8 SRM 52-2-0, FIG. 4. FORMED AND TREATED DOUBLERS I.A.W. DC8 SRM 52-4-1, FIG. 2, 51-1-8. INSTALLED AT #3 PIT DOOR I.A.W. DC8 SRM 51-1-17, 51-1-21. CF W/O 017402 N/R 0740.