What was found
DURING OPS TEST OF THE EMERGENCY LIGHTS RECIEVED BAT/EPSU (13WL) AFT L CLASS 1 FAULT MESSAGE / R+R EPSU BATTERY AT 13WL IAW AMM 33-51-38-400-002-A OPS CHECK GOOD"
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING OPS TEST OF THE EMERGENCY LIGHTS RECIEVED BAT/EPSU (13WL) AFT L CLASS 1 FAULT MESSAGE / R+R EPSU BATTERY AT 13WL IAW AMM 33-51-38-400-002-A OPS CHECK GOOD"