What was found
AIR TURNBACK. CAPTAIN'S AIRSPEED, ALTIMETER, VSI & CABIN PRESSURE CONTROL SYSTEM INOP. REMOVED AND REPLACED NR 1 DADC PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK. CAPTAIN'S AIRSPEED, ALTIMETER, VSI & CABIN PRESSURE CONTROL SYSTEM INOP. REMOVED AND REPLACED NR 1 DADC PER MM.