As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN DOOR POWER ASSIST MOTOR STARTED CYCLING ON AND OFF AS WE TAXIIED OUT. WHEN YOU GO TO OPEN DOOR, THE MOTOR WOULD CYCLE ON - UNCOMMANDED- AND THE DOOR WOULD TRY AND CLOSE ITSELF. THIS CYCLE WOULD HAPPEN REPEATEDLY. AVIONICS BATTERY WAS DISCONNECTED TO KEEP DOOR FROM TRYING TO CLOSE ON ITS OWN. REMOVED INTERMITTEN RDE#1 AND REPLACED WITH OVERHAULED RDE. PERFORMED SEVERAL / OPERATIONAL CHECKS OF THE MED BOTH INTERIOR AND EXTERIOR WITH SATISFACTORY RESULTS.REF. GL6000 SMM 44-10-54