# SDR ASAA2020120233637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2020
- Submitted: December 4, 2020
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 25,392 hours, 7,995 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Window
- Condition: Warning Message
- Location: R2
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020120233637

## Discrepancy

R2 WINDOW OVERHEAT.  CYCLED POWER PER QRH OVERHEAT RE-OCCURED WITHIN 10 MIN.  GROUNDED-YES.  ACCOMPLISHED B737-900 FIM 30-41 TASK 801, NO FAULTS.  HAS SENSOR IN BITE HISTORY R2 WINDOW SENSOR IS ALREADY IN SPARE POS.  OPERATIONS TEST HEAT FOR 15 MIN, OPERATIONS NORMAL NO HISTORY 60 DAYS.

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