As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SERVICE CHECK MAINTENANCE FOUND THE MID CABIN UPPER EMERGENCY LIGHTS ON THE LEFT & RIGHT TO BE INOPERATIVE. MAINTENANCE REPLACED THE INBOARD MID CABIN UPPER LEFT AND RIGHT EMERGENCY LIGHTS BATTERIES PER MD-88 AMM 33-55. OPERATION NOW CHECKS GOOD.