What was found
SHV - MAJOR - DURING C-CHECK THE APU FIREWALL WAS FOUND TO BE CHAFED. MAINTENANCE CLEANED UP THE DAMAGED AREA AND INSTALLED A SHIM IAW EC5310-01359. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHV - MAJOR - DURING C-CHECK THE APU FIREWALL WAS FOUND TO BE CHAFED. MAINTENANCE CLEANED UP THE DAMAGED AREA AND INSTALLED A SHIM IAW EC5310-01359. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.