What was found
DURING ACFT MAINTENANCE CHECK, INSPECTORS FOUND CORROSION OTBD OF UPPER AUXILIARY FUEL TANK, FLOOR LT SIDE, BS 1239 TO 1255, LBL 109.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ACFT MAINTENANCE CHECK, INSPECTORS FOUND CORROSION OTBD OF UPPER AUXILIARY FUEL TANK, FLOOR LT SIDE, BS 1239 TO 1255, LBL 109.