Service difficulty report · Tat Probe · Boeing 737823

Difficulty date
April 12, 2023
Submitted
April 14, 2023
Operation
Air carrier
Aircraft
N869NN
Make and model
Boeing 737823
Aircraft serial
40764
Aircraft time
34,459 hours, 14,517 cycles
Part
Tat Probe
Part number
102LA2AG
Part serial
A23580
Condition
Defective
Location
Zone 200 - Fuse
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

AIRCRAFT WAS NOT GROUNDED: AIRSPEED UNRELIABLE ON CLIMB OUT IN TURBULENCE, 33000 CLACKER WENT OFF AIRSPEED DIFFERENT BY 30 KNOTS RAN QUICK REFERENCE HANDBOOK. TOTAL AIR TEMPERATURE PROBE WAS REMOVED AND REPLACED IN ACCORDANCE WITH AMM 34-21-06, TOTAL AIR TEMPERATURE SYSTEM TESTS OK. CABIN PRESSURE LEAK TESTS OK. AIRCRAFT OK FOR SERVICE.