# SDR UPS01535538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2001
- Submitted: April 9, 2001
- Operation: Air carrier
- Aircraft: [N433UP](https://openairdocs.org/aircraft/N433UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25464
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Guard
- Part number: 402112
- Condition: Inoperative
- Location: Light Switch
- 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/UPS01535538

## Discrepancy

EMERGENCY EXIT LIGHT SWITCH GUARD WILL NOT OPERATE PROPERLY.  LIGHT SWITCH MUST BE POSITIONED MANUALLY     REPLACED SWITCH GUARD, OP CHECK OK

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