# SDR DALA2026092805381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N139DU](https://openairdocs.org/aircraft/N139DU), 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: 50058
- Aircraft time: 15,157 hours, 7,143 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026092805381

## Discrepancy

RIGHT FWD AND LEFT AFT EXTERNAL EMERGENCY LIGHTS ARE INOPERATIVE.  REMOVED AND REPLACED RT FWD AND LT AFT EXTERNAL EMERGENCY LIGHTS IAW AMP BD500-A-J33-55-02-03AAA-520A/720A-A, AND BD500- A-J33-55-02-01AAA-520A/720A-A,  PERFORMED EXTERNAL EMERGENCY LIGHTS OPS TEST IAW  AMP BD500-A-J33-55-00-01AAA-320A-A, TEST PASSED. (LP 1824535; AIRCRAFT WAS GROUNDED)

---
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.