As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3733 -DIV- DIVERTED TO ATL DUE TO ROW 11ABC PASSENGER O2 MASKS DROPPING UNCOMMANDED IN FLIGHT AND O2 GENERATOR UNABLE TO BE VERIFIED IF USED. CORRECTIVE ACTION: INSPECTED O2 MASK STOWAGE AND RE-SECURED MASKS. TAPPED AROUND PANEL TO INSURE SECURITY AND OPS CHECKED GOOD.