As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT RIGHT LAV O2 MASK DEPLOYED AT CRUISE PAX IN LAVATORY. FWD TO MCO AND PLACARD PER MEL 35-21-02 AFT RIGHT LAVATORY OXY INOP, (M) PROCEDURES C/W. MCO AND PLACARD INSTALLED. R/R AFT RIGHT LAV EMERGENCY OXY CONTAINER PER AMM 35-21. OPTS CHECK GOOD. OK FOR SERVICE. (LP: 8881196, AIRCRAFT WAS GROUNDED)