Service difficulty report · Heater · Boeing 737990ER

Difficulty date
December 31, 2020
Submitted
January 5, 2021
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
29,521 hours, 9,445 cycles
Part
Heater
Part number
0851HT1
Condition
Inoperative
Location
Pitot Tube
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ON RECALL AFTER START L ELEVATOR PITOT LIGHT ILLUMINATED. GROUNDED-YES. VERIFIED DEFECT "L ELEV PITOT" INOPERABLE. C/B POPS WHEN SELECTED TO "ON". REMOVED AND REPLACED LT ELEVATOR PITOT PROBE, REF B737-900 AMM 27-31-94. OPERATIONS CHECK NORMAL. LEAK CHECK GOOD.