What was found
CIDS 1 EMERGENCY LIGHT POWER SUPPLY UNIT SYSTEM TEST SHOWS FAULT MESSAGE ON BATTERY. REPLACED THE BATTERY IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CIDS 1 EMERGENCY LIGHT POWER SUPPLY UNIT SYSTEM TEST SHOWS FAULT MESSAGE ON BATTERY. REPLACED THE BATTERY IAW AMM 33-51-38.