As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT SLIDING WINDOW W/NOT OPEN. PER IMPACTS A/C STATUS SLIDING WINDOW JAMMED AND OVER CTR MECHANISM IS WORN TO A POINT OF CAUSING JAM PROBLEM. REMOVED AND REPLACED CAPT CLEARVIEW WINDOW ASSY IAW 56-10-03-4. ALTERNATE P/N USED PER EO DC8-5610-23421-A. WINDOW OPENS NOW.