What was found
DURING CLIMB AT 25,000 FT, CREW REPORTED HARD TO CONTROL PRESSURIZATION, NOT ABLE TO PRESSURIZE. RETURNED TO DEPARTURE, MX INSPECTED AND FOUND MANUAL CONTROLLER PRESSURE LINE FITTING LOOSE AND LEAKING, TIGHTENED AND OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB AT 25,000 FT, CREW REPORTED HARD TO CONTROL PRESSURIZATION, NOT ABLE TO PRESSURIZE. RETURNED TO DEPARTURE, MX INSPECTED AND FOUND MANUAL CONTROLLER PRESSURE LINE FITTING LOOSE AND LEAKING, TIGHTENED AND OPS CHECKED GOOD.