What was found
EMERGENCY LIGHT POWER SUPPLY SYSTEM TEST, CIDS 1 FAILED FOR THE BATTERY ON EMERGENCY POWER SUPPLY UNIT 12WL. MAINTENANCE REPLACED THE BATTERY IAW AMM 33-51-38 AND 33-51-38-000-002-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHT POWER SUPPLY SYSTEM TEST, CIDS 1 FAILED FOR THE BATTERY ON EMERGENCY POWER SUPPLY UNIT 12WL. MAINTENANCE REPLACED THE BATTERY IAW AMM 33-51-38 AND 33-51-38-000-002-A.