What was found
CLIMBING THROUGH 10,000 FEET, CABIN PRESSURIZATION BECAME UNCONTROLLABLE IN AUTO OR MANUAL. REMOVED AND REPLACED AUTO PRESSURE CONTROL AND MANUAL PRESSURE CONTROL. SYSTEM OPS CHECK GOOD IAW MM 21-30-0. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLIMBING THROUGH 10,000 FEET, CABIN PRESSURIZATION BECAME UNCONTROLLABLE IN AUTO OR MANUAL. REMOVED AND REPLACED AUTO PRESSURE CONTROL AND MANUAL PRESSURE CONTROL. SYSTEM OPS CHECK GOOD IAW MM 21-30-0. (M)