What was found
SHV - DURING C-CHECK RIVET HEAD WEAR MARKS ON BOTTOM RT SIDE OF APU FIREWALL. MAINTENANCE REPAIRED THE APU FIREWALL AT FRAME 81 IAW EC 5310-01337. 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 - DURING C-CHECK RIVET HEAD WEAR MARKS ON BOTTOM RT SIDE OF APU FIREWALL. MAINTENANCE REPAIRED THE APU FIREWALL AT FRAME 81 IAW EC 5310-01337. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.