What was found
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK CABIN INTERCOMMUNICATION DATA SYSTEM 1 TEST, FOUND BATTERY 15WL FAULT. REMOVED AND REPLACED EMERGENCY LIGHT UNIT 15WL BATTERY PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK CABIN INTERCOMMUNICATION DATA SYSTEM 1 TEST, FOUND BATTERY 15WL FAULT. REMOVED AND REPLACED EMERGENCY LIGHT UNIT 15WL BATTERY PER AMM 33-51-38.