Service difficulty report · Probe · Boeing 777222

Difficulty date
October 28, 2010
Submitted
November 15, 2010
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
56,156 hours, 8,196 cycles
Engine
Pwa PW4090
Part
Probe
Condition
Faulty
Location
Tat
Stage of operation
NR
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

HEAT TAT FAILURE OF TOTAL AIR TEMPERATURE (TAT) PROBE HEATING CIRCUIT. STATUS MSG-3037120 LATCHD ER MODE MSG-3037120 ACTIVE ER MODE. REPLACED PROBE. OPS GOOD.