As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT OVHD SWITCH WIRE BROKEN. SWAPPED THE SWITCH GUARD WITH THE "STANDBY PWR" SWITCH ON THE "MAINT ELECTRICAL PWR ONLY" PANEL. NEEDS PCN 585-5361. WHEN USING THE "STANDBY PWR" THE SWITCH NEEDS TO MOVED MANUAL AS THE AUTO POSITIONING FUNCTION OF SWITCH IS INOP.