Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
January 2, 2019
Submitted
January 8, 2019
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
22,994 hours, 7,497 cycles
Part
Sensor
Condition
Failed
Location
Sliding Window
Part time
23,041 hours, 7,511 cycles
Component
Sliding Window
Component part number
56100024
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

R SIDE WINDOW OVERHEAT LIGHT STAYS ILLUMINATED. GROUNDED - YES. MEASURED RT SIDE WINDOW'S SECONDARY TEMP SENSOR AND FOUND RESISTANCE TOO HIGH. PRIMARY SENSOR PREVIOUSLY SWAPPED TO SECONDARY SENSOR. MOVED RIGHT SIDE WINDOW TAP FROM TERMINAL NR 1 TO NR 3, OLD WINDOW CODE H16, NEW CODE H14 REF AMM 30-41-21-000-801 AND WDM 30-41-11. REMOVED AND REPLACED NR 2 SLIDING WINDOW REF AMM 56-12-11. LEAK AND OPS CHECK GOOD.