As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THE EMERGENCY EXIT LIGHT SWITCH IS PLACED IN THE ARMED POSITION THE LIGHTING, EMERGENCY FWD CIRCUIT BREAKER OPENS (POPS OUT). REMOVED AND REPLACED BATTERY CHARGER POWER SUPPLY PER AMM 33-51-06-960-05. PERFORMED OPERATIONAL TEST ON GROUND, OK.