# SDR YENA2025032600323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2025
- Submitted: March 26, 2025
- Operation: Air carrier
- Aircraft: [N655JB](https://openairdocs.org/aircraft/N655JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 03072
- Aircraft time: 66,747 hours, 23,924 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 894278
- Condition: Failed
- Location: Zone 200
- Part time: 9,685 hours, 3,666 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025032600323

## Discrepancy

FLT#714, FLL-HPN.' WITH NO POWER ON AIRCRAFT GPU AND APU OFF, AND EMER LIGHT SWITCH IN THE ON OR AM POSITION, CABIN EMER. LIGHTS DOES NOT COME ON; REMOVED AND REPLACED 10WL EPSU AND BATT PACK IAW AMM 33-51-38 REF LP 4245975-2 (REMOVED AND REPLACED 11WL EPSU & BATT PACK IAW AMM 33-51-58. ALL CHECKS NORMAL OK FOR CONT SVC.), 4245976 1 (REMOVED AND REPLACED 12WL EPSU AND BATTERY PACK IAW AMM 33-51-38 ALL CHECKS NORMAL OK FOR CONT SVC) & 2 (REMOVED AND REPLACED 13WL EPSU AND BATTERY PACK IAW AMM 33-51-38. ALL CHECKS NORMAL OK FOR CONT SVC) FOR REMOVAL AND REPLACEMENT OF 11WL, 12WL & 13WL. ALL CHECKS GOOD PER 33-51-38, EMERGENCY LIGHTS OPERATE NORMALLY W/O A/C PWR AND WITH PWR OK FOR CONT SVC,'

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