As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: OVERWING EMERGENCY DOOR SHOW OPEN R3 DOOR ERRONEOUS INDICATION. MAINTENANCE ACCOMPLISHED AN EMERGENCY OPERATIONAL CHECK OF THE 3R EMERGENCY EXIT DOOR INCATION PER AMM 52-73-00 AND FOUND NO ISSUES WITH THE DOOR INDICATION. MAINTENANCE WAS UNABLE TO IDENTIFY A SPECIFIC PART THAT WOULD HAVE CAUSED THE ORIGINAL ISSUE.