As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED CABIN WOULD NOT PRESSURIZE. CABIN LIGHT CAME ON, RETURN TO DEPARTURE AIRPORT ADS FOR MAINTENANCE. MAINTENANCE FOUND SQUAT SWITCH ON RT MLG OUT OF RIG, ADJUSTED AND PERFORMED OP CHECKS, AIRCRAFT RETURNED TO SERVICE. (CLOSED)