# SDR WX0A2023021031728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2023
- Submitted: February 10, 2023
- Operation: Air carrier
- Aircraft: [N253NV](https://openairdocs.org/aircraft/N253NV), registered now
- Make and model: Airbus A300*
- Aircraft serial: 7900
- Aircraft time: 14,004 hours, 7,215 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Epsu
- Part number: 32146210
- Part serial: 157072
- Condition: None
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2023021031728

## Discrepancy

EPSU (12WL) AND EPSU (13WL) FAIL BITE CHECK REF AMM 33-51-00-710-001 / REMOVED AND REPLACED EPSU (12WL) AND (13WL) REF AMM 33-51-38-000-001-A AND AMM 33-51-38-400-001-A OPS CHECK GOOD,"

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