# SDR DXTA2023060587970

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2023
- Submitted: June 22, 2023
- Operation: Air carrier
- Aircraft: [N778QS](https://openairdocs.org/aircraft/N778QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20563
- Aircraft time: 8,436 hours, 4,890 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Part number: RPSIB
- Part serial: 26353
- Condition: Defective
- Location: Unknown
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023060587970

## Discrepancy

EXTERIOR EMERGENCY LIGHTS ARE ILLUMINATING WHEN AIRCRAFT IS POWERED DOWN AND EMERGENCY LIGHT SWITCH IS IN THE OFF POSITION.//CORRECITVE ACTION//REMOVED AND REPLACED WITH TESTED CHARGER ASSY OF RH CABIN ELPS IAW BD-100 AMM 33-51-12-000/400-801. INSTALLED SAME ELPS BATTERY. PERFORMED OPS TEST IAW BD-100 AMM 33-51-00-720-802 OPS TEST GOOD. BASDAL 2256 DUE 8/29/23

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