As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6230 - PHX-MTJ - AS AIRCRAFT TAXIED FROM THE GATE, THE FLIGHT ATTENDANT TESTED THE EMERGENCY LIGHTS AND THEY WERE INOPERATIVE. AIRCRAFT WAS RETURNED TO GATE. MAINTENANCE TROUBLESHOT AND REPLACED THE BATTERY PACKS. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)