What was found
L1 WINDOW OVERHEAT. APPLIED QRH, DID NOT EXTINGUISH. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 30-41 TASK 801. WHCU SHOWS WINDOW SENSOR FAULT. MOVED SWITCH TO ALTERNATE SENSOR. OPS CHECK NORMAL REF AMM 30-41 TASK 812.
- Difficulty date
- August 27, 2019
- Submitted
- August 28, 2019
- Operation
- Air carrier
- Aircraft
- N487AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44108
- Aircraft time
- 15,415 hours, 4,906 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Sensor
- Condition
- Faulted
- Location
- Window Heat
- Part time
- 15,053 hours, 4,943 cycles
- 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.