What was found
WINDOW OVERHEAT ON RIGHT SIDE WINDOW, FOLLOWED QRH. OVERHEAT LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. WHCU SHOWS MULTIPLE WINDOW SENSOR FAULTS. SWAPPED R2 SENSOR TO SPARE. CLEARED WHCU HISTORY, BITE TEST GOOD.
- Difficulty date
- May 17, 2022
- Submitted
- May 18, 2022
- Operation
- Air carrier
- Aircraft
- N493AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41727
- Aircraft time
- 22,112 hours, 6,959 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Sensor
- Part number
- UNKNOWN
- Condition
- Failed
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- M
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.