What was found
DURING SCHEDULED D-CHECK, FOUND APU INLET AIR DUCT AT LOWER TORQUE BOX CORRODED AT BS 1118 RBL 19 WL 238 ON STRINGER. REMOVED AND REPLACED PER BOEING SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED D-CHECK, FOUND APU INLET AIR DUCT AT LOWER TORQUE BOX CORRODED AT BS 1118 RBL 19 WL 238 ON STRINGER. REMOVED AND REPLACED PER BOEING SRM.