What was found
FLIGHT CREW REPORTED EPSU "13WL" AFT LEFT MESSAGE. REPLACED EPSU BATTERY AT 13WL LOCATION IAW AMM 33-51-38-400-002. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT CREW REPORTED EPSU "13WL" AFT LEFT MESSAGE. REPLACED EPSU BATTERY AT 13WL LOCATION IAW AMM 33-51-38-400-002. OPS CHECK GOOD.