SDR ASAA2016032116049

Service difficulty report · Sensor · Boeing 737990ER

Difficulty date: March 21, 2016
Submitted: March 23, 2016
Operation: Air carrier
Aircraft: N419AS
Make and model: Boeing 737990ER
Aircraft serial: 41734
Aircraft time: 11,991 hours, 3,889 cycles
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Sensor
Part number: 1016755
Condition: Failed
Location: Window Heat
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 FWD WINDSHIELD OVERHEAT. QRH FOLLOWED, DID NOT RESET. ACFT GROUNDED. PERFORMED BITE REF AMM 30-41-11-710-801, SHOWED SENSOR FAULT RT FWD. SELECTED WINDSHIELD SENSOR SW S1079 TO POSITION NR 2. PERFORMED BITE, NO FAULT NOTED. PERFORMED WHCU SYSTEM TEST REF AMM 30-41-11-710-801, CHECKS GOOD.