As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW OXYGEN LOW IN FLIGHT. FOUND 2 EA CONNECTORS AT BOTTLE LOOSE, SECURED AND VERIFIED INDICATION WAS OPERATIONAL. DEFERRED O2 INDICATION SYSTEM AS PRECAUTION. TRANSFER TO DMI 252018 PER MEL 35-11-02. R/R CREW LOWER TRANSDUCER AND C/O LEAK CHK, RESULT SATIS IAW AMM 35-41-08 & IPC 35-11-03-01. CREW OXY INDICATION NORMAL.