What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED HEAVY CORROSION ON LONGERON 21L, FS 445. REPAIRED PER UPS EO DC8-53-1574.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED HEAVY CORROSION ON LONGERON 21L, FS 445. REPAIRED PER UPS EO DC8-53-1574.