# SDR UPS02538012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2002
- Submitted: April 12, 2002
- Operation: Air carrier
- Aircraft: [N423UP](https://openairdocs.org/aircraft/N423UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25325
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141T480013
- Part serial: 94017H118
- Condition: Cracked
- Location: Cockpit
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02538012

## Discrepancy

INSPECTION TYPE:IN PILOT REPORT L1 WINDOW CRACKED.  REMOVED AND REPLACED L1 WINDOW IAW MM 56-11-04-4.

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