What was found
AIRCRAFT WAS GROUNDEDE: R4 DOOR EMERGENCY LIGHTS DO NOT COME ON. REPLACED BATTERY PACK AT R4 DOOR AS PER AMM 33-51-06.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDEDE: R4 DOOR EMERGENCY LIGHTS DO NOT COME ON. REPLACED BATTERY PACK AT R4 DOOR AS PER AMM 33-51-06.