As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
O2 MASKS FELL DOWN IN ROW 3 C/D. DEFERRED PASSENGER O2 SYSTEM AT 3CD IAW MEL 35-20-AD CAT ""C"" PER MOC, PLACARD INSTALLED. REMOVED AND REPLACED PSU LATCH MECHANISM P/N ON/OFF CDSP4633-5 IAW 35-21-05. OPS CHECK GOOD IAW 35-20-00. ALL CHECKS GOOD REMOVED FROM MMO2 MXC NOTIFIED 96164.