# SDR DALA2026012300520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N371NW](https://openairdocs.org/aircraft/N371NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1535
- Aircraft time: 70,051 hours, 33,473 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3542
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026012300520

## Discrepancy

DURING OPS TEST OF THE EMERGENCY LIGHTS FAULT EPSU UNIT 11WL (REFER TO AMDS CARD 5210-7089-LF (RII)).  REMOVED EMERGENCY POWER SUPPLY UNIT EPSU (11WL) UNSERVICEABLE CONDITION IAW AMM 33-51-38-000-001-A AND AS PER A320 FAM AMM33-51-38-400-001- A. TESTED GOOD.

---
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.