# SDR ASAA2026102067497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2026
- Submitted: October 22, 2026
- Operation: Air carrier
- Aircraft: [N5827K](https://openairdocs.org/aircraft/N5827K), registered now
- Make and model: Airbus A330-343
- Registry model: [Airbus A330-343](https://openairdocs.org/model/airbus-a330-343) (OpenAirDocs)
- Aircraft serial: 1081
- Aircraft time: 46,963 hours, 8,485 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 131798
- Condition: Faulted
- Location: Zone 200
- Part time: 3,811 hours, 1,108 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026102067497

## Discrepancy

EPSU BITE TEST SHOWED CLASS 1 FAULT. GROUNDED - YES. REMOVED & REPLACED EPSU (12WL) IAW A330 AMM 33-51-38. OPS CHECK IS GOOD. NO FAULTS.

---
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.