As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND ECS BAY HORIZONTAL ANGLE ON AFT BULKHEAD (VAPOR BARRIER) AT BS 663 IS CRACKED AT ATTACH FASTENERS IN COMMON WITH INBOARD VERTICAL KEEL BEAM ANGLE. INSTALLED NEW HORIZONTAL STIFFENER. PER AARD 51-00-05-1, BOEING DWG 111A1000 AND SRM 51-40-02. SEE WIPS AND TASKS.