What was found
DURING CREW CHECKLIST, AUTO PRESSURE CONTROLLER LDG ALT JAMMED. REMOVED AND REPLACED CABIN ALT CONTROLLER IAW MM 21-31-01, TESTS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CREW CHECKLIST, AUTO PRESSURE CONTROLLER LDG ALT JAMMED. REMOVED AND REPLACED CABIN ALT CONTROLLER IAW MM 21-31-01, TESTS OK.