# SDR UPS05M45539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2005
- Submitted: October 3, 2005
- Operation: Air carrier
- Aircraft: N279UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48573
- Engine: Pwa PW4460
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Bulb
- Condition: Burned Out
- Location: Emergency Light
- 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/UPS05M45539

## Discrepancy

R1 DOOR EMERGENCY EXIT SIGN, HALF OF THE BULBS ARE BURNED OUT.  RELAMPED, OPS CKS NORMAL IAW MM CH 33-50-00.

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