What was found
DURING SCHEDULED MAINTENANCE CHAFE DAMAGE WAS FOUND ON THE REAR PRESSURE BULKHEAD. THIS WAS FROM THE ISOLATION VALVE. REPAIRS WERE MADE USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED MAINTENANCE CHAFE DAMAGE WAS FOUND ON THE REAR PRESSURE BULKHEAD. THIS WAS FROM THE ISOLATION VALVE. REPAIRS WERE MADE USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RETURNED TO SERVICE.