# SDR DALA2026012300525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N104DU](https://openairdocs.org/aircraft/N104DU), 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: 50023
- Aircraft time: 18,056 hours, 8,421 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/DALA2026012300525

## Discrepancy

EXTERIOR EMERGENCY LIGHTS SYSTEMS.  R & R AFT RT LED ASSEMBLY PER AMP 33-55. OPS CK GOOD MEL + PLACARD INSTALLED. (LP# 7904243)

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