What was found
AIRCRAFT WAS GROUNDED: EPSU BATTERY FAULT 14WL. REMOVED & REPLACED BATTERY AT EPSU 14WL IAW AMM 33-51-38. OP CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: EPSU BATTERY FAULT 14WL. REMOVED & REPLACED BATTERY AT EPSU 14WL IAW AMM 33-51-38. OP CHECKED GOOD.