# SDR UPS07M50458

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2007
- Submitted: August 20, 2007
- Operation: Air carrier
- Aircraft: [N256UP](https://openairdocs.org/aircraft/N256UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48405
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Switch
- Condition: Loose
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07M50458

## Discrepancy

INSPECTION TYPE:N/A ELECTRICAL SPARK AND SMOKE FROM OVERHEAD PANEL NOSE LIGHTT SWITCH, BUT LIGHT WORKED WITH C/B POPPED.  FOUND NOSE LANDING LIGHT SWITCH LOOSE.  TOUCHED HOUSING OF RIGHT RWY TURN OFF LIGHT.  TIGHTENED SWITCH IAW AMM 33-42-07-4.  OPS CHECK OK.

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