As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT SWITCH ON FLIGHT DECK OVERHEAD PANEL, WHEN CLOSED, FAILED TO ARM SWITCH. MAINTENANCE RE-CONNECTED FLIGHT DECK OVERHEAD EMERGENCY LIGHT SWITCH GUARD SPRING AND PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00-710-803.