What was found
CREW REPORTED EMERGENCY BATT FAULT AFTER TURNING OFF EMERGENCY LIGHTS AND MAIN BATTERIES. DCA MX TROUBLESHOT PER EMB AMM TO GEN I/O IN MAU 1. MX REPLACING GEN I/O IN MAU 1 PER EMB AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED EMERGENCY BATT FAULT AFTER TURNING OFF EMERGENCY LIGHTS AND MAIN BATTERIES. DCA MX TROUBLESHOT PER EMB AMM TO GEN I/O IN MAU 1. MX REPLACING GEN I/O IN MAU 1 PER EMB AMM.