# SDR ASAA2022121841169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2022
- Submitted: December 19, 2022
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 31,842 hours, 10,093 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: 141A48001
- Part serial: 14002H0375
- Condition: Cracked
- Location: Nr 1
- Part time: 31,842 hours, 10,093 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022121841169

## Discrepancy

AT ABOUT FL300 WE NOTICED A CRACKED ON CAPTAIN SIDE FORWARD WINDSHIELD. THE CRACK STARTED GROWING AND BEGAN TO ARC. THE ENTIRE PANEL SHATTERED INTACT AFTER ABOUT 30 SECONDS AFTER INITIAL DISCOVERY. GROUNDED - YES. AIR TURNBACK - REMOVED AND REPLACED CAPT'S #1 WINDSHEILD PER B737-900 AMM 56-11-11/401. PERFORMED WINDOW L1 HEAT SYSTEM TEST, OPS TEST SUCCESSFUL, REF AMM 30-41-00. LEAK CHECK GOOD.

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