# SDR F3LA2024072300109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2024
- Submitted: July 23, 2024
- Operation: Air carrier
- Aircraft: [N363](https://openairdocs.org/aircraft/N363), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 9260
- Aircraft time: 14,551 hours, 6,619 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD321431
- Part serial: 264218
- Condition: Defective
- Location: Emergency Lights
- Component: Emergency Power, Diehl, D1347
- Component part number: 32146210
- Stage of operation: CL
- 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/F3LA2024072300109

## Discrepancy

REF LP348078-1. CABIN CONDITION REPORTS EIS / EMERGENCY & EXIT LIGHTING FLICKERING DURING TAKEOFF. CIDS SYSTEM TEST SHOWS EPSU (EMERGENCY LIGHTING POWER SUPPLY) 12WL FAULTING. CORRECTIVE ACTION: REMOVED AND REPLACED 12WL EPSU ASSEMBLY PER AMM 33-51-38-400-001-A. OPERATIONAL CHECK NORMAL. NO FAULTS NOTED./END/

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