As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXT LOADS FWD LT & BATTERY EMER LT FAULTS WHEN PERFORMING EMER LIGHTS TEST. AFTER RESETTING BREAKERS ONLY GETTING EXT LOAD FWD LT FAULT TRIED NEW POWER SUPPLY, NO HELP. REINSTALLED ORIGINAL, FAULT CLEARS WHEN SLIDE AT DOOR 1L CONNECTOR IS TESTED WITH TEST LAMP.