# SDR YENA201902280108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2019
- Submitted: March 5, 2019
- Operation: Air carrier
- Aircraft: [N657JB](https://openairdocs.org/aircraft/N657JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 3119
- Aircraft time: 47,532 hours, 16,972 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 788591
- Condition: Failed
- Location: Cabin
- Part time: 10,960 hours, 4,204 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/YENA201902280108

## Discrepancy

DURING HEAVY MAINTENANCE, (REF: NR# 440562-34367) EMERGENCY LIGHTS TEST FAILS, FWD LT BATTERY PACK AND FT LT BATTERY PACK; REMOVED TWO BATTERY PACKS, 10WL AND 13WL IAW AMM 33-51-38-000-002-A. REPLACED TWO BATTERY PACKS 10WL AND 13WL IAW AMM 33-51-38-400-002-A. OPS CHECK GOOD IAW AMM 33-51-38-710-052-B.

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