As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR WILL NOT CLOSE ELECTRICALLY FORM INSIDE. CLOSE SWITCH, WILL CLOSE FROM OUTSIDE SWITCH. DUPLICATED THE PROBLEM WHEN USE INTERIOR CONTROL SWITCH TO CLOSE THE DOOR , THE DOOR AUTOMATICALLY REVERSERS DIRECTION TO UP WHEN SWITCH RELEASED TO CENTER POSITION. EXTERIOR SWITCH WORKING NORMAL. THE PROBLEM WAS FOUND TO BE INTERMITTENT.