What was found
LEFT WING UPPER SIDE OF BODY SPLICE, LT WING AT REAR SPAR OPEN HOLE NR 4 FOUND CRACK. HOLE CONCENTRICALLY REAMED 1.375 IN DIAMETER IN SPLICE FITTING ONLY. OPEN HOLE HFEC INSP PERFORMED. FREEZE PLUG FAB'D AND INSTALLED COMMON TO SPLICE FITTING ONLY PER SRM 51-10-08. REAMED HOLE TO 1.0 INCH. ALODINE, PRIMER, FAB'D RETENTION WASHER, HEAT TREAT AND CAD PL. INSTALLED ORIGINAL TYPE BOLT PER EN EA-53-0822 BOEING MESSAGE: I-OAGAS, I-ODB6A, I-P8ZOS, I-PKIOB, AND I-PTITL.