What was found
AIRCRAFT WAS NOT GROUNDED: L1 EPSU BATT FAULT. MAINTENANCE REMOVED AND REPLACED L1 ESPU BATT 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.
AIRCRAFT WAS NOT GROUNDED: L1 EPSU BATT FAULT. MAINTENANCE REMOVED AND REPLACED L1 ESPU BATT IAW AMM 33-51-38 OPS CHECK GOOD.