What was found
LEFT PACK TEMP CONTROL BITE TEST FAILED. REMOVED AND REPLACED THE PACK AIR TEMP SENSOR ASSY IAW AMM 21-51-04, OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT PACK TEMP CONTROL BITE TEST FAILED. REMOVED AND REPLACED THE PACK AIR TEMP SENSOR ASSY IAW AMM 21-51-04, OPS CHECKED NORMAL.