# SDR DALA2024032603810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2024
- Submitted: March 26, 2024
- Operation: Air carrier
- Aircraft: [N570DZ](https://openairdocs.org/aircraft/N570DZ), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0048
- Aircraft time: 16,860 hours, 2,198 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024032603810

## Discrepancy

CONTRACT MAINTENANCE REPORTS DM CABIN EMER LIGHTING. FAULTING FIN 101WL3 AND 101WL4. T/S PER TSM A350 33-51-XX-0F001 -421A-A. PERFORMED LOCALIZED BITE ON BOTH EPSU. ALL LIGHTS OPS NML. MSG CLEARED. OK FOR SVC. (LP# 5295623)

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