- Difficulty date
- August 10, 2021
- Submitted
- August 13, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 45,496 hours, 13,425 cycles
- Part
- Sensor
- Condition
- Faulted
- Location
- L1 Window
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 WINDOW OVERHEAT, NOT IN SUNLIGHT. GROUNDED - YES. HARD FAIL PRESENT. WINDOW HEAT CONT LOGS SEVERAL WINDOW SENSOR FAULTS. SWITCHED TO SPARE SENSOR, FAULT CLEARED AND SYS OPS CKS NML PER B737-800 AMM 30-41-00, GND VERIFICATION SUCCESSFUL.