What was found
AIRCRAFT IN BASE MAINTENANCE: EPSU INTERNAL LOAD FAULT - AFT BATT L FOUND DURING EMERGENCY LIGHT TEST MAINTENANCE REPLACED LH EPSU IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EPSU INTERNAL LOAD FAULT - AFT BATT L FOUND DURING EMERGENCY LIGHT TEST MAINTENANCE REPLACED LH EPSU IAW AMM 33-51-38.