Service difficulty report · Relay · Boeing 777222

Difficulty date
July 5, 2011
Submitted
August 2, 2011
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
62,722 hours, 12,036 cycles
Engine
Pwa PW4077
Part
Relay
Condition
Failed
Location
Pitot Heat
Stage of operation
IN
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

STATUS MSG 'HEAT PITOT C' DISPLAYED AFTER GROUND POWER FELL OFF ACFT. REPLACED RELAY K3016 PROBE AIR HEAT CTRL PER FIM. MSG CLEARED, TEST PASS.