As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH OVERHEAD PANEL SWITCH ON, MULTIPLE EMERGENCY LIGHTS EXTINGUISHED IN 3 (FWD=1, MID FWD=2, MID AFT=3, AFT=4) AREA. ALL OTHER LIGHTS AND INDICATORS NORMAL. 9D 13D 14C 18C 21C 27D31D 34D INOPERATIVE. R & R BATTERY PACK M735 IAW MM. OPS TESTS GOOD ON NON ROUTINE.