As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS FLYING AT 37,000 FT WHEN THE PILOTS HEARD A LOUD HISS. CABIN STARTED TO CLIMB 6000 FT/MIN. THE PILOTS DECLARED AN EMERGENCY AND DESCENDED, LANDED IN WILLIAMSPORT PA WITH NO FURTHER INCIDENT. THE CAUSE OF THE PROBLEM WAS THE LT SQUAT SWITCH WAS OUT OF ADJUSTMENT WHICH CAUSED THE AIRCRAFT TO DEPRESSURIZE. THE SWITCH WAS ADJUSTED AND THE AIRCRAFT WAS TEST FLOWN AND WAS FOUND TO BE OK.