# SDR DALA2021082004885

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2021
- Submitted: August 20, 2021
- Operation: Air carrier
- Aircraft: [N110DU](https://openairdocs.org/aircraft/N110DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50029
- Aircraft time: 5,532 hours, 2,533 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: NR
- 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/DALA2021082004885

## Discrepancy

GREEN EMERGENCY EXIT LIGHTS ON EXITS DO NOT ILLUMINATE WHEN GEAR EXT. TURNED ON EMERGENCY EXIT LIGHTS. ALL EXIT SIGNS AT EMERGENCY EXIS ILLUMINATED. PERFORMED TEST OF INTERNAL EMERGENCY LIGHTING SYSTEM PER A220 AMP 33-52-00. TEST OK. (LP# 7920426)

---
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.