As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EPSU BATTERY (13WL) AFT L AND EPSU BATTERY (11WL) EMER L REQUIRED A REMOVAL AND REPLACE. / REMOVED AND REPLACED AFT L (13WL) EPSU BATTERY AND REMOVED AND REPLACED EPSU BATTERY (11WL) EMER L. IAW AMM 33-51-38-000-002-A AND AMM 33-51-38-400-002-A. OPS CHECK GOOD."