# SDR IPXA2022051982256

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2022
- Submitted: May 19, 2022
- Operation: Air carrier
- Aircraft: [N451UP](https://openairdocs.org/aircraft/N451UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27739
- Aircraft time: 37,194 hours, 21,330 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022051982256

## Discrepancy

EMERGENCY LIGHTS UNARMED LIGHT DOES NOT EXTINGUISH WHEN SWITCH ARMED EMBR LIGHTS EICAS DISPLAYED. DEFERRED EMERENCY LIGHTS PER MEL 33-51-1-1. DEFERRAL M781606. PLACARD INSTALLED.  REPLACED EMERGENCY LIGHT CONTROL PANEL REF. B-757 MM 33-51-05 SYSTEM OPS NORMAL, IPC 31-51-08-04.

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