# SDR DXTA2025041503100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2025
- Submitted: April 15, 2025
- Operation: Air carrier
- Aircraft: [N807QS](https://openairdocs.org/aircraft/N807QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000032
- Aircraft time: 5,040 hours, 2,931 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: CBS281
- Part serial: 4374M
- Condition: Defective
- Location: Zone 200
- 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/DXTA2025041503100

## Discrepancy

WHEN TESTING EMERGENCY LIGHTS IN ARM POSITION, LIGHTS DO NOT ILLUMINATE.  ACCOMPLISHED QRH 25X PROCEDURE TO CHARGE THE BATTERY PACK AND LIGHTS OPERATED NORMALLY AFTER 30 MINUTES OF CHARGING.  SUSPECT NUMBER 2 EMERGENCY LIGHTS BATTERY PACK IS FAILING TO HOLD A CHARGE. CORRECTIVE ACTION: REMOVED LH FORWARD EMERGENCY BATTERY. OPS CHECKED GOOD. IAW CE-700 AMM 33-50-05 AND 33-50-07.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.