As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3240 - LAX/PSP - PILOT REPORTED THAT UPON LANDING IN PSP AND WHILE TAXIING THE O2 MASKS AT SEATS 2B/C DEPLOYED BY THEMSELVES. THE O2 SYSTEM WAS DEFERRED PER MEL AUTHORITY 35-01 AND THE AIRCRAFT RETURNED TO LAX AT WHICH TIME MAINTENANCE PERSONNEL RESTOWED THE MASKS. MEL WAS CLEARED AND THE AIRCRAFT WAS RETURNED TO SERVICE.