Service difficulty report · Circuit Breaker · Boeing 767322

Difficulty date
January 7, 2023
Submitted
January 9, 2023
Operation
Air carrier
Aircraft
N663UA
Make and model
Boeing 767322
Aircraft serial
27160
Aircraft time
114,125 hours, 17,625 cycles
Part
Circuit Breaker
Condition
Tripped
Location
Lt Tat Probe
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

TAT PROBE EICAS MSG AFTER LIFT OFF. RAN QRH AND RETURED TO EWR. FLIGHT CREW STATES L TAT PROBE C/B TRIPPED WITH ASSOCIATED EICAS MSG. RESET C/B AND PERFORMED TAT PROBE HEAT SYSTEM OPERATIONAL TEST REF AMM 30-33-00-715-710. TEST PASSED SEVERAL TIMES WITH NO FAULTS. OK FOR SERVICE. LEFT TAT PROBE HEATER BREAKER ON P6 PANEL WAS RESET.