As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT AT 22,000 FT CAPTAIN DV WINDOW LOCKING PIN SLOWLY STARTED RAISING. DESCENDED AND DIVERTED FLIGHT TO LAS WHILE MANUALLY HOLDING DV WINDOW SHUT. FOUND CAPTAIN''S DV WINDOW RELEASE LATCH GUMMED UP. CLEANED AND LUBRICATED. OPS CHECK OF CAPTAIN''S DV WINDOW SATISFACTORY IAW CH 56-10-00.