What was found
WHILE IN CRUISE AT 38,000, CREW O2 PRESS DROPPED TO 0 PSI. BEFORE DEPARTURE GAUGE READ 510 PSI AT 21C. R & R CREW OXYGEN CYLINDER IAW AMM 12-15-21-600-801-0011.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN CRUISE AT 38,000, CREW O2 PRESS DROPPED TO 0 PSI. BEFORE DEPARTURE GAUGE READ 510 PSI AT 21C. R & R CREW OXYGEN CYLINDER IAW AMM 12-15-21-600-801-0011.