As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON MAINTENANCE CHECK, THE EMERGENCY LIGHT TEST HAD AFT LT EXTERNAL LOAD FAULT MESSAGE. FOUND L-2 DOOR SLIDE CONNECTOR ON SLIDE PACK NOT FULLY CONNECTED. CLEANED PLUG AND RE-CONNECTED. EMERGENCY LIGHT TEST OK. NO FAULTS REF. AMM 33-51-00.