What was found
OBSERVER OXYGEN MASK FAILED FFOD TEST, TEST & RESET VALVE REMAINS OPEN. REPLACED THE OXYGEN MASK IAW AMM 35-11-12. OPS AND LEAK CHECKED PASSED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OBSERVER OXYGEN MASK FAILED FFOD TEST, TEST & RESET VALVE REMAINS OPEN. REPLACED THE OXYGEN MASK IAW AMM 35-11-12. OPS AND LEAK CHECKED PASSED.