# SDR YENA2026091100795

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2026
- Submitted: September 12, 2026
- Operation: Air carrier
- Aircraft: [N633JB](https://openairdocs.org/aircraft/N633JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02671
- Aircraft time: 75,611 hours, 27,354 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 932543
- Condition: No Test
- Location: Zone 200
- Part time: 6,648 hours, 2,626 cycles
- 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/YENA2026091100795

## Discrepancy

DURING HEAVY MAINTENANCE, REF. AAR-LCQ WO# 440624 N/R 30783 - EPSU 13WL FAIL CAPACITY CHECK; (RESOLVED ON W/O: 1473121 TASKCARD: NR-00041 ) PER AAR-LCQ WO 440624-30783 - REMOVED, REPLACED & OPS CHECK GOOD FOR EPSU BATTERY 13WL IAW A320 AMM 33-51-38-000-002-A,33-51-38-400-002-A & 33-51-00-710-001-A.

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