What was found
PERFORMED EPSU SYS TEST, RECEIVED MESSAGE "BAT/EPSU ( 11WL ) EMER L". REMOVED AND REPLACED EPSU BATTERY, IAW AMM 33-51-38. OPS CHECK GOOD
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PERFORMED EPSU SYS TEST, RECEIVED MESSAGE "BAT/EPSU ( 11WL ) EMER L". REMOVED AND REPLACED EPSU BATTERY, IAW AMM 33-51-38. OPS CHECK GOOD