# SDR AALA202606016947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2026
- Submitted: June 1, 2026
- Operation: Air carrier
- Aircraft: [N9002U](https://openairdocs.org/aircraft/N9002U), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 5698
- Aircraft time: 33,210 hours, 16,184 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: No Test
- 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/AALA202606016947

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CIDS 1 SYSTEM TEST FAULT ATA 335100 BAT/ EPSU(10L)FWD L IAW TSM 33-51-00-810-829-A DETERMINED THAT EPSU 10WL IS CAUSE OF FAULT. IAW AMM 33-51-38 MAINTENANCE REPLACED EPSU 10WL BATTERY. PER STEPS 4 D,E, AND F OF REFERENCED AMM, EMERGENCY LIGHT SYSTEM OPS CHECKS GOOD. COMPLETED STEP 5 " CLOSE UP OF ACCESS PANEL".

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