What was found
DURING EMERGENCY LIGHTING TEST. MESSAGE 'EPSU BATTERY AFT DISPLAYED'. INSTALLED NEW BATTERY PACK AT 13WL AND FINAL OPS CHECK SATISFACTORY 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING EMERGENCY LIGHTING TEST. MESSAGE 'EPSU BATTERY AFT DISPLAYED'. INSTALLED NEW BATTERY PACK AT 13WL AND FINAL OPS CHECK SATISFACTORY 33-51-38.