What was found
SHIP 1804 R4 DOOR AFT CEILING O2 MASK ( AFT) FAILED OPERATIONAL TEST. CORRECTIVE ACTION: ADJUST PASSENGER OXYGEN DOOR R4 AFT CEILING PER B676 AMM 35-21-00 (2972401)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHIP 1804 R4 DOOR AFT CEILING O2 MASK ( AFT) FAILED OPERATIONAL TEST. CORRECTIVE ACTION: ADJUST PASSENGER OXYGEN DOOR R4 AFT CEILING PER B676 AMM 35-21-00 (2972401)