# SDR AALA202012149012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2020
- Submitted: December 15, 2020
- Operation: Air carrier
- Aircraft: [N904NN](https://openairdocs.org/aircraft/N904NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33317
- Aircraft time: 24,689 hours, 10,312 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Window
- Part number: 141A48001
- Condition: Failed
- Location: Lt Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202012149012

## Discrepancy

AIRCRAFT WAS GROUNDED.  PASSING FL285, LT FWD OVERHEAT LIGHT ILLUMINATED, PER QRH, FWD SWITCH WAS TURNED OFF AND WITHIN 5 SEC, L1 WINDOW SHATTERED.  REPLACED L1 WINDOW WITH SERVICEABLE UNIT, IAW WORKCARD 56-94-03.

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