What was found
INSPECTION TYPE:PS4, F/O'S OXYGEN MASK REGULATOR FAILS PRESS TO TEST. REMOVED AND REPLACED F/O'S OXYGEN MASK PER MM 35-13-01-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSPECTION TYPE:PS4, F/O'S OXYGEN MASK REGULATOR FAILS PRESS TO TEST. REMOVED AND REPLACED F/O'S OXYGEN MASK PER MM 35-13-01-4.