Service difficulty report · Heater · Boeing 737990ER

Difficulty date
December 13, 2017
Submitted
December 15, 2017
Operation
Air carrier
Aircraft
N448AS
Make and model
Boeing 737990ER
Aircraft serial
36356
Aircraft time
6,946 hours, 2,362 cycles
Part
Heater
Condition
Failed
Location
Pitot Head
Component
Pitot Head
Component part number
0851HT1
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

LEFT ELEVATOR PITOT HEAT INOP. GROUNDED - YES. REMOVED LH FEEL SYSTEM PITOT PROBE PER B737-900 AMM 27-31-94-000-801. INSTALLED SERVICEABLE PITOT PROBE REF AMM TASK 27-31-94-400-801. OP'S CHECKED NORMAL. LEAK CHECKED NORMAL.