As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT SIGNS LOCATED AT THE AFT LOWERED CEILING AND ABOVE THE AFT AFT ENTRY AND AFT SERVICE DOOR WITH EMERGENCY EXIT LIGHT SWITCH IN ARMED POSITION, CYCLE AND OFF. GROUNDED - YES. REPLACED EMERGENCY LIGHT BATTERY ON PACK M1673, OPS CHECK GOOD. REF B737-900 AMM 33-51-06.