What was found
AIRCRAFT WAS GROUNDED: FORWARD CABIN EMERGENCY LIGHTS TURN ON THEN GO OUT. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTOR OPERATIONAL CHECK PER AMM 33-51-00
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: FORWARD CABIN EMERGENCY LIGHTS TURN ON THEN GO OUT. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTOR OPERATIONAL CHECK PER AMM 33-51-00