SDR ASAA2016050516638

Service difficulty report · Sensor · Boeing 737890

Difficulty date: May 5, 2016
Submitted: May 9, 2016
Operation: Air carrier
Aircraft: N596AS
Make and model: Boeing 737890
Aircraft serial: 35688
Aircraft time: 30,698 hours, 9,393 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Sensor
Part number: PSE21
Condition: Failed
Location: R2 Window
Stage of operation: NR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

RIGHT SIDE WINDOW OVERHEAT, UNABLE TO RESET VIA QRH. ACFT GROUNDED. PERFORMED WINDOW SENSOR RESISTANCE TEST IAW AMM 30-41-21, PRIMARY SENSOR FAILED, SWAPPED TO SECONDARY SENSOR IAW FIM 30-41, TASK 811, RESISTANCE WAS WITHIN LIMITS, R2 WINDOW HEAT OPS NORMAL IAW AMM 30-41-00.