What was found
AIRCRAFT WAS GROUNDED: ACRS MSG SUPPLEMENTAL CREW O2 LIGHT IN MDCR. DECESION MADE TO RETURN TO DFW, EMERGENCY DELARED AND AIRCRAFT LANDED OVERWEIGHT WITHOU INCINDENT. MAINTENANCE REPLACED MDCR S.O.V. REF AMM 21-20-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: ACRS MSG SUPPLEMENTAL CREW O2 LIGHT IN MDCR. DECESION MADE TO RETURN TO DFW, EMERGENCY DELARED AND AIRCRAFT LANDED OVERWEIGHT WITHOU INCINDENT. MAINTENANCE REPLACED MDCR S.O.V. REF AMM 21-20-10.