What was found
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING PS CHECK FOUND EPSU SYS TEST 11WL BATTERY FAULT. MAINTENANCE REPLACE 11WL ESPU BATTERY IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING PS CHECK FOUND EPSU SYS TEST 11WL BATTERY FAULT. MAINTENANCE REPLACE 11WL ESPU BATTERY IAW AMM 33-51-38.