What was found
MAINTENANCE REPORTED A LEFT EMERGENCY POWER SUPPLY CABIN UNIT FAULT. MAINTENANCE REMOVED AND REPLACED LEFT EMERGENCY POWER SUPPLY CABIN UNIT - REFERENCE AMM 33-51-38-400-001-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAINTENANCE REPORTED A LEFT EMERGENCY POWER SUPPLY CABIN UNIT FAULT. MAINTENANCE REMOVED AND REPLACED LEFT EMERGENCY POWER SUPPLY CABIN UNIT - REFERENCE AMM 33-51-38-400-001-A.