What was found
FIRST OBSERVERS POSITION HAS DEFECTIVE O2 MASK FROM CAPT SEAT NEEDS REPLACING. REPLACED MASK ASSY WITH NEW ASSY. OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIRST OBSERVERS POSITION HAS DEFECTIVE O2 MASK FROM CAPT SEAT NEEDS REPLACING. REPLACED MASK ASSY WITH NEW ASSY. OPS NORMAL.