As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL - EMERGENCY LIGHT BATTERY PACK IN RIGHT HAND FORWARD CABIN OF OVERWING ESCAPE HATCH AT STATION 569 RIGHT INOPERATIVE. REPLACED BATTERY PACK 5826 FOR EMERGENCY LIGHT IN RIGHT HAND FORWARD CABIN OF OVERWING ESCAPE HATCH. SYSTEM GROUND CHECKED NORMAL OPERATION.