What was found
DURING SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, FOUND LEFT WING RIB 738.5 LOWER CHORD IS CRACKED AT FORWARD STRINGER BOLT HOLE. STOP DRILLED ENDS OF CRACK. FABRICATED, LOCATED AND DRILLED DOUBLER AND FILLERS IAW B727 SRM 51-10-1 AND 57-10-5. ALODINED AND PRIMED PARTS IAW B727 SRM 51-10-2 AND INSTALLED DOUBLER AND FILLERS IAW B727 SRM 57-10-5 AND 51-30-2. FABRICATED 1 INCH BY 3 INCH BY 5 INCH DOUBLER OUT OF 7075-T6 X .063. (M)