What was found
DURING SCHEDULED 6Y CHECK, FOUND CENTER WING BOX HORIZONTAL STIFFENER CRACKED AT BS 550, RBL 31.5. REMOVED AND REPLACED STIFFENER PER SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED 6Y CHECK, FOUND CENTER WING BOX HORIZONTAL STIFFENER CRACKED AT BS 550, RBL 31.5. REMOVED AND REPLACED STIFFENER PER SRM.