What was found
OBSERVER MASK DOES NOT SHOW FLOW INDICATION WHEN TESTED. REMOVED AND REPLACED THE OXYGEN MASK BOX. OPERATIONAL TEST PASSED. NO LEAK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OBSERVER MASK DOES NOT SHOW FLOW INDICATION WHEN TESTED. REMOVED AND REPLACED THE OXYGEN MASK BOX. OPERATIONAL TEST PASSED. NO LEAK.