As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON C-CHECK, RT A/C BAY, DUCT INBD OF FLOW MULTIPLIER HAS A DEEP WEAR MARK (DUCT MARKED). REMOVED RT A/C BAY DUCT T/B OF FLOW MULTIPLIER AND SEND OUT TO WELDING B-727 IAW MM 21-55-00. REINSTALLED RT A/E BAY DUCT I/B OF FLOW MULTIPLIER B-727 IAW MM 21-55-11. LEAK CHECK RT A/C BAY DUCT I/B OF FLOW MULTIPLIER B-727 IAW MM 21-55-11.