As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE REPORTED THAT DURING O2 ACTUATION TEST, THE FORWARD FLIGHT ATTENDANT MASK DID NOT DROP. MAINTENANCE FOUND DOOR HANGING ON CEILING PANEL TRIM AT O2 DOOR. ADJUSTED CEILING PANEL TRIM AND FLIGHT ATTENDANT O2 DOOR DROPPED PER ACTUATION TEST.