As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT CLIMBING OUT OF LIT EN ROUTE TO DET AIRCRAFT STARTED TO DEPRESSURIZE, LEVELED OFF STILL WOULD NOT HOLD CABIN. DIVERTED TO MEM. REMOVED AND REPLACED RT SQUAT SWITCH AND ALTITUDE CONTROLLER, GROUND CK GOOD. RETURNED AIRCRAFT TO SERVICE.