# SDR DALA2021021600883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2021
- Submitted: February 16, 2021
- Operation: Air carrier
- Aircraft: [N509DN](https://openairdocs.org/aircraft/N509DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0199
- Aircraft time: 12,512 hours, 1,137 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA2021021600883

## Discrepancy

SHIP 3509 EMERGENCY LIGHTS INOP IN COMFORT PLUS R/H SIDE AFT OF R2 DOOR. CORRECTIVE ACTION: REMOVED AND REPLACED EMERGENCY POWER SUPPLY AT 102WL2. BONDS CHECK AND OPS CHECKS GOOD. (1729618)

---
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.