# SDR HNAA2025042100214

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2025
- Submitted: April 21, 2025
- Operation: Air carrier
- Aircraft: [N662EH](https://openairdocs.org/aircraft/N662EH), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145777
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131ASMI
- Part serial: IC1561
- Condition: Faulted
- Location: Zone 200
- Part time: 37,135 hours, 34,694 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2025042100214

## Discrepancy

AFT CABIN EMERGENCY LIGHTS WILL NOT REMAIN OFF WITH SWITCH IN ARMED POSITION.    FACT  20APR25  19:13  CLT   FOUND FA EMERGENCY LIGHTS ON. REPLACED EMERGENCY LIGHT BATTERY PACKS 1,2,3, AND 4. IAW AMM 33-50-04-400-302-A. OPS CHECK GOOD

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