# SDR UPS04543593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2004
- Submitted: December 13, 2004
- Operation: Air carrier
- Aircraft: [N441UP](https://openairdocs.org/aircraft/N441UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27386
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04543593

## Discrepancy

CREW PREFLIGHT F/O WINDOW WILL NOT OPEN OR CLOSE.  GEARBOX IS BAD.  REMOVED AND REPLACED FIRST OFFICER'S WINDOW CRANK GEARBOX PER AMM 56-11-04-4.

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