What was found
DURING ROUTINE HEAVY CHECK, INSPECTION FOUND A CRACK IN THE FLOORBEAM LOCATED AT BS 870 LBL 24.75. DURING REPAIR USING SRM REFERENCES MAINTENANCE MISSED DRILLED A HOLE IN WHICH REPAIR WAS OUTSIDE THE SCOPE OF THE SRM REPAIR. THE MISSED DRILLED HOLE WAS REPAIRED USING FLIGHT VEHICLES INC REPAIR SKETCH NUMBER 53-98522-3. THE AIRCRAFT WAS THEN RETURNED TO SERVICE. (M)