What was found
AIRCRAFT RETURNED TO DAL DUE TO RIGHT PACK TRIPPING AND UNABLE TO CONTROL CABIN PRESSURE. REMOVED AND REPLACED 450 DEGREE SENSOR, RT RAM AIR SENSOR AND PERFORMED TEST FLIGHT PER BOEING M/M.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT RETURNED TO DAL DUE TO RIGHT PACK TRIPPING AND UNABLE TO CONTROL CABIN PRESSURE. REMOVED AND REPLACED 450 DEGREE SENSOR, RT RAM AIR SENSOR AND PERFORMED TEST FLIGHT PER BOEING M/M.