What was found
WHILE IN FOR C-CHECK, MAINTENANCE FOUND STRINGER 9 UPPER CRACKED AT 546.5 ON LEFT WING. INSTALLED REPAIR IAW EO B727-5710-0314-F.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN FOR C-CHECK, MAINTENANCE FOUND STRINGER 9 UPPER CRACKED AT 546.5 ON LEFT WING. INSTALLED REPAIR IAW EO B727-5710-0314-F.