As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BGR - FLT 4620 - CREW REPORTED THE EMERGENCY EXIT SIGN OVER 9A AND EMERGENCY OVERHEAD LIGHTS AT 9A AND 11A TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY UNIT AT 23LN IAW SAAB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)