What was found
APU INLET DUCT FWD I/B LWR CORNER CRACKED. REPAIRED PART BY WELDING PER BAC 5975 IAW ENGINEERING RESPONSE; HFEC INSPECTED - NO CRACKS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU INLET DUCT FWD I/B LWR CORNER CRACKED. REPAIRED PART BY WELDING PER BAC 5975 IAW ENGINEERING RESPONSE; HFEC INSPECTED - NO CRACKS NOTED.