As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - MAINTENANCE REPORTED THE RIGHT OVERWING EMERGENCY EXIT WILL NOT OPEN. MAINTENANCE FOUND THE DOOR JAMMED IN OPENING. REMOVED DOOR AND INSTALLED DOOR. OPERATIONAL CHECK GOOD. REMOVED AND INSTALLED DOOR SEVERAL TIMES. OPERATIONAL CHECK GOOD IN ASSOCIATION WITH MM 52-21-00-0.