As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HII/IFP - FLT 5021 - CAPTAIN CLOSED MAIN PASSENGER DOOR AND NOTED THE CABIN DOOR ANNUNCIATOR STAYED ILLUMINATED. FURTHER INVESTIGATION SHOWED THE PASSENGER DOOR WAS NOT LOCKING PROPERLY. AIRCRAFT FERRIED TO PHX WHERE THE DOOR LATCH MECHANISM WAS CLEANED AND LUBED. OPS CHECK GOOD, AIRCRAFT RETURNED TO SERVICE. (X)