As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK. PAX O2 MASK AT SEAT 6CD DROPPED. ACFT GATE RETURNED & MX CALLED OUT. REPACKED MASK & DEFERRED SEAT FOR OPERATIONS CHECKS TO BE PERFORMED ON RON. PAX SEATS 6CD NEED OPERATIONS CHECK OF PAX OXY SYS, LOG PAGE 3175884-1 FOR PAX OXY MASK DEPLOYMENT FROM MM 02. SEAT 6CD PAX O2 SYS REQUIRED DEPLOY TEST. PERFORMED OPERATIONS TEST OF THE PAX OXY SYS IAW AMM 35-20-00. OPERATIONS CHECKED GOOD. PLACARD PULLED, MM02 UPDATED & THIS CLEARS MEL DM 000911.