What was found
EMERGENCY POWER SUPPLY UNIT AT 11WL FAILED CIDS TEST. REMOVED AND REPLACED POWER SUPPLY BATTERY IAW AMM 33-51-38. SYSYTEM CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY POWER SUPPLY UNIT AT 11WL FAILED CIDS TEST. REMOVED AND REPLACED POWER SUPPLY BATTERY IAW AMM 33-51-38. SYSYTEM CHECKS NORMAL.