What was found
LEFT SIDE WINDOW HEAT SWITCH REMAINED ILLUMINATED AFTER ACCOMPLISHED QRH CHECKLIST. GROUNDED - YES. PERFORMED BITE CHECK ON WINDOW HEAT CONTROLLER UNIT, CYCLED WINDOW HEAT SWITCHES IAW B737-900 FIM 30-41 TASK 801 NO FAULTS NOTED.
- Difficulty date
- January 18, 2020
- Submitted
- January 22, 2020
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 23,971 hours, 7,674 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Switch
- Condition
- Illuminated
- Location
- Window Heat
- 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.