As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON INSPECTION, MECHANIC FOUND OUTER HANDLE OF CREW ESCAPE HATCH STUCK IN THE DOWN POSITION. WOULD NOT POP UP WHEN BUTTON IS DEPRESSED. UNABLE TO RELEASE HANDLE EVEN WHEN FORCED. REMOVED HANDLE ASSEMBLY AND INSTALLED NEW ASSEMBLY.