# SDR EIA2007121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2007
- Submitted: June 6, 2007
- Operation: Air carrier
- Aircraft: N477EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20784
- Aircraft time: 75,840 hours, 35,695 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: S1356B37
- Part serial: 33398
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIA2007121

## Discrepancy

EMERGENCY LIGHT IN THE UPPER DECK STAIR WELL LIGHT ASSY INOP.  REMOVE AND REPLACE EMERGENCY LIGHT AT UPPER DECK STAIRWAY PER B747MM 33-51-07.  OPS CHECKED GOOD PER B747 MM 33-51-07.

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