What was found
DURING SCHEDULED 12Y CHECK, FOUND CENTER WING TANK STIFFENER CRACKED AT BS 540+7, RBL 55. 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 12Y CHECK, FOUND CENTER WING TANK STIFFENER CRACKED AT BS 540+7, RBL 55. REMOVED AND REPLACED STIFFENER PER SRM.