# SDR EIAA2010071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2010
- Submitted: October 28, 2010
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 103,900 hours, 24,482 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Damaged
- 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/EIAA2010071

## Discrepancy

ON SECURING KSUU, EMERGENCY LIGHTS REMAINED OFF WITH EMERGENCY LIGHT SWITCH SELECTED TO ON.  REPAIRED WIRES L5155, L5156 AND L5157 PER WDM 33-51-00 AND SWPM 20-60-12.  OPS CHECK GOOD PER MM 33-51-00.

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