As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION FOUND THE LEFT OVERWING EXIT LOWER EXIT SIGN HAS THREE BULBS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THREE INOPERABLE BULBS ON THE LEFT OVERWING EXIT LOWER EXIT SIGN IAW CRJ700 AMM 33-51-05. THE OPERATIONAL TEST WAS GOOD IAW CRJ700 AMM 33-51-00. THE AIRCRAFT WAS RETURNED TO SERVICE.