What was found
THE FOLLOWING FINDINGS WERE RAISED: - WO 4000 JOB CARD NR. 0010 “FWD AUX TANK GROUP FUEL LEAK”: FUEL CELL NR 4A P/N 42410-409 S/N 0906– UPPER CABIN AIR TUBE CUFF P/N 200-5-487-22 FOUND DAMAGED ALLOWING FUEL TO ENTER THE DRY BAY. - WO 4001 JOB CARD NR. 0009 “AFT AUX TANK GROUP FUEL LEAK”: FUEL CELL NR 5 FILL AND VENT/TRANSFER LINE FITTINGS– FOUND FILL LINE INNER END FITTING NOT SECURED. THE MAINTENANCE HISTORY OF THE SUBJECT AIRCRAFT WAS CHECKED: PREVIOUS PROJECT NO. DID NOT INVOLVE ANY RELEVANT WORK AFFECTING THE SUBJECT INSTALLATION. THE FAILURE IS EXTERNAL.