Service difficulty report · Tat Probe · Boeing 737823

Difficulty date
August 24, 2020
Submitted
August 25, 2020
Operation
Air carrier
Aircraft
N806NN
Make and model
Boeing 737823
Aircraft serial
29561
Aircraft time
33,415 hours, 13,593 cycles
Part
Tat Probe
Part number
102LA2AG
Part serial
A93904
Condition
Inoperative
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: ALTITUDE AND AIRSPEED DISAGREE MESSAGES AT FL380, BOTH SELF-CORRECTED ON DESCENT. REPLACED TOTAL AIR TEMPERATURE PROBE WITH NEW IAW AMM 34-21-06, OPS CHECK GOOD.