As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERIOR EMERGENCY LIGHTING SYSTEM HAS 3EA LIGHTS INOP. GROUNDED - YES. RELAMPED BULBS AT R1, R2 AND L2 FOR EXTERIOR LIGHT NO HELP. REPLACED R1 AND R2 BATTERY PACKS REF AMM 33-51-06-960-805. OPERATIONAL CHECK GOOD. REPLACED SOCKET ASSEMBLY AND CONTACT ON L2 EXTERIOR EMERGENCY LIGHT REF CMM 33-51-04. OP CHECK GOOD. ALL EMERGENCY LIGHTS ILLUMINATE.