# SDR DALA2023071805818

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2023
- Submitted: July 18, 2023
- Operation: Air carrier
- Aircraft: [N358DN](https://openairdocs.org/aircraft/N358DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8316
- Aircraft time: 14,547 hours, 6,289 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/DALA2023071805818

## Discrepancy

11WL FAILS EPSU SYS TEST . REMOVED AND REPLACED 11WL REF A321 AMM 33-51 OPS CHECK GOOD AT THIS TIME. P/N ON/OFF: 3214-62-10 S/N ON: 147150 S/N OFF: 152333. (LP# 4685585)

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