What was found
CAPTAIN'S SLIDING WINDOW WILL NOT OPEN. LUBED UPPER WINDOW HINGE. SYSTEM GROUND CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN'S SLIDING WINDOW WILL NOT OPEN. LUBED UPPER WINDOW HINGE. SYSTEM GROUND CHECKED GOOD.