# SDR 2017FA0000141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2017
- Submitted: March 23, 2017
- Operation: Air carrier
- Aircraft: [N45EJ](https://openairdocs.org/aircraft/N45EJ), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 080
- Aircraft time: 3,966 hours, 2,908 cycles
- Engine: Hnywl TFE73120AR
- Engine time: 3,966 hours, 2,908 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: 6656100000010
- Part serial: 2598
- Condition: Cracked
- Location: Cockpit
- Part time: 3,466 hours, 2,788 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000141

## Discrepancy

ON CLIMB OUT 22 MINUTES AFTER TAKE OFF AIRCRAFT WAS CLIMBING THROUGH FL 320 ABOUT TO LEVEL OFF AT 330 WHEN A LOUD POP FOLLOWED BY A SUDDEN CRACKING OF THE OUTER PANE OF THE COPILOTS WINDSHIELD. THERE WAS NO CHANGE IN CABIN PRESSURE.  AIRCRAFT LANDED IN TUS WITH NO ISSUE.

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