As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF RECEIVED NR 1 ENGINE ADVISORY NAC TEMP AT 200 DEGREES, AT CRUISE NR 1 ENG BLEED OFF, NO CHANGE. TEMP LOWERED TO 180 DEGREES IN CRUISE WHEN THROTTLES WERE REDUCED. REMAINED AT 180 DEGREES FOR THE DURATION OF THE FLIGHT. ALL OTHER ENGINE INDICATIONS WERE NORMAL. REPAIRED PRESSURE SENSOR TUBE PER MM 20-23-11-0. REMOVED AND REPLACED NACELLE ANTI ICE VALVE PER MM 30-21-11-4. OPS CHK NORMAL.