As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6110 - PHX-PSP - AFTER TAKEOFF, THE CREW NOTED THE GROUND O2 SERVICING DOOR CAME OPEN INFLIGHT. THE AIRCRAFT RETURNED TO THE FIELD WHERE MAINTENANCE INSPECTED AND RESECURED THE O2 SERVICING DOOR. OPS CHECKED GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)