# SDR AALA202001149001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2020
- Submitted: January 14, 2020
- Operation: Air carrier
- Aircraft: [N857NN](https://openairdocs.org/aircraft/N857NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30907
- Aircraft time: 29,407 hours, 11,972 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Condition: Defective
- Location: Window Heat
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202001149001

## Discrepancy

AIRCRAFT WAS GROUNDED: WINDSHIELD OVERHEAT CAME ON, THEN OUTER PANE OF CAPTAIN WINDSHIELD CRACKED IN FLIGHT. REPLACED WINDSHIELD (AALA202001149002) PER TASK CARD 56-94-03 AND THE WINDOW HEAT CONTROLLER (AALA202001149001) PER AMM 30-41-11.

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