What was found
WHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON FUEL CELL UPPER SKIN BS 775 TO 785 RBL 64. CUT OUT CORRODED SECTION OF FUEL CELL SKIN AND REPAIRED PER EO B727-5730-7507-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON FUEL CELL UPPER SKIN BS 775 TO 785 RBL 64. CUT OUT CORRODED SECTION OF FUEL CELL SKIN AND REPAIRED PER EO B727-5730-7507-A.