As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4024 - DURING CRUISE, CREW HEARD A LOUD NOISE COMING FROM THE COCKPIT EMERGENCY ESCAPE HATCH. AIRCRAFT LANDED IN PIT WITHOUT FURTHER INCIDENT. PIT MX INSPECTED AIRCRAFT AND NOTICED THE ACRYLIC EMERGENCY ESCAPE HATCH HANDLE COVER WAS MISSING. PIT MX REPLACED THE ACRYLIC COVER IAW MM 52-20-00 AND RETURNED AIRCRAFT TO SERVICE. (X)