As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR LEAK. EXCESSIVE AIR NOISE ABOVE CROSS AISLE JUMP SEAT AFT OF FWD GALLEY. INSPECTED DUCTING ABOVE CEILING, ALL CONNECTIONS LOOK GOOD AND FLOW IS GOOD. FURTHER INSP FOUND AIRFLOW RESTRICTORS DETERIORATED AT THE PLENUM FOR THE OVERHEAD AIR OUTLET ABOVE THE FWD JUMP SEAT. AIRFLOW AND NOISE IS HIGHER BUT NOT EXCESSIVE AND IS ACCEPTABLE. PARTS NEEDED 214T3436-203 4EA. REPLACED THE RESTRICTORS. AIRFLOW IS ACCEPTABLE.