# SDR UIEA2011041800313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2011
- Submitted: June 15, 2011
- Operation: Air carrier
- Aircraft: N523MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21782
- Aircraft time: 103,516 hours, 21,135 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Bulb
- Condition: Inoperative
- 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/UIEA2011041800313

## Discrepancy

M/D DOOR SILL AFT EMERGENCY LIGHT FOUND INOPERATIVE.  BULB REPLACED AND CHECK 'OK' REF AMM 33-51-00.

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