# SDR ASAA2022100140135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2022
- Submitted: October 12, 2022
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 44,313 hours, 12,937 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Window
- Part number: 56100027
- Part serial: 08234H8263
- Condition: Overheated
- Location: Flight Deck
- Part time: 47,110 hours, 14,057 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022100140135

## Discrepancy

L2 WINDOW OVERHEAT ILLUMINATED ON THE GROUND. GROUNDED - YES. PERFORMED SYSTEM TEST AND NO FAULTS FOUND. THE FAULT HISTORY ON CONTROL BOX FOR L2 WINDOW DID HAVE A SENSOR FAULT. REMOVED AND REPLACED L2 WINDOW IAW B737-800 AMM 56-12-11-000-801 AND AMM 56-12-11-400-801, ETOPS GROUND FUNCTIONAL CHECK GOOD. ALSO LEAK CHECK GOOD.

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