As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BOARDING, OVERHEAD PANEL IN ROW 23ABC WHICH SERCURES PAX O2 MASK FELL DOWN. DEFERRED SEAT ROW 23ABC O2 MASK PER A320 MEL 35-21-01B. M PROCEDURES C/W PLACARD INSTALLED. R & R OVERHEAD O2 PANEL PER CMM 25-28-02. DOOR STAYS CLOSED. PERFORMED OPS CHECK PER A320 AMM 35-23. REVERSED "M" PROC. PLACARDS REMOVED. (LP: 7729010)