What was found
13WL EPSU BATTERY FAIL ON TEST / REMOVED AND REPLACED (13WL) EPSU BATTERIE IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A; OP'S CHECK GOOD"
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
13WL EPSU BATTERY FAIL ON TEST / REMOVED AND REPLACED (13WL) EPSU BATTERIE IAW AMM 33-51-38-000-002-A AND 33-51-38-400-002-A; OP'S CHECK GOOD"