# SDR DALA2019022291130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2019
- Submitted: February 22, 2019
- Operation: Air carrier
- Aircraft: [N863DA](https://openairdocs.org/aircraft/N863DA), registered now
- Make and model: Boeing 777232
- Aircraft serial: 29735
- Aircraft time: 81,399 hours, 9,698 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Selector Switch
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019022291130

## Discrepancy

CHECK PED 4R RIGGING. DUE TO CONFIRMED REPORTS OF EMERGENCY LIGHTS ILLUMINATING AT 4R / PED WITH EMERGENCY LIGHT SW ON P5 ARMED AND 4R DOOR MODE SELECT HANDLE IN DISARMED POSITION AND DOOR HANDLE TO THE FULL OPEN POSITION. CORRECTIVE ACTION: WRANG OUT S52121 PINS 7, 8 REDS M OHMS. REMOVED MODE SELECT SW. PER B777 AMM 52-11-28-000-801 (269944). REINSTALLED NEW S52121 SWITCH IAW B777 AMM 52-11. TEST OK.

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