Service difficulty report · Heater · Boeing 777222

Difficulty date
October 21, 2010
Submitted
November 8, 2010
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
37,455 hours, 8,289 cycles
Engine
Pwa PW4077
Part
Heater
Condition
Failed
Location
Pitot Head
Component
Pitot System
Component part number
4071400903
Stage of operation
NR
How discovered
L
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 PITOT L LOSS OF LEFT PITOT HEAT. STATUS MSG-3036121 INACTV CL MODE. SUPPLEMENTAL DATA UPDATE DEFERED FOR TIME AND TROUBLESHOOTING. STATUS AND ADVISORY MESSAGE COMES ON DURING INITIAL CLIMB AND THEN EXTINGUISH. CLEAR MESSAGE, BUT ITEM DEFERRED BECAUSE OF HISTORY AND MIN GROUND TIME. REPLACED LEFT PITOT ADM PER LM CALLOUT.