As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH POWER ON THE AIRCRAFT EMERGENCY EXIT LIGHTING DOES NOT TURN ON WHEN THE SWITCH IS SELECTED TO THE ON POSITION THE EMERGENCY LIGHTS WORK PERFECTLY WHEN THE SWITCH IS IN THE EMERGENCY ARM POSITION AND POWER IS REMOVED FROM THE AIRCRAFT. DEAD NR 4 EMERGENCY BATTERY DUE TO FAULTY CONNECTOR ON EMERGENCY LIGHT SWITCH. REMOVED OVERHEAD LIGHTING PANEL AND REPLACED WITH REPAIRED UNIT IAW MM 33-10-57. PERFORMED OPS TESTS, NO DEFECTS NOTED.