As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD SERVICE DOOR WILL NOT OPEN. EXTERNAL AND INTERNAL HANDLES DO NOT APPEAR TO OPERATE DOOR LATCHES. REMOVED FROM SERVICE. RESET ALL HANDLES TO "NORMAL" CLOSED POSITION. DOOR OPENS AND CLOSES CORRECTLY. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.