As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PREPARING TO TAXI, FLIGHT 4097 COULD NOT GET THE RIGHT HAND PROPELLER OUT OF FEATHER. MAINTENANCE INSPECTED AND REPLACED THE PROPELLER CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-06. OPERATIONAL CHECKS WERE COMPLETED AND AIRCRAFT WAS RELEASED FOR SERVICE.