# SDR JJBA20250627019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2025
- Submitted: June 27, 2025
- Operation: Air carrier
- Aircraft: [N21129](https://openairdocs.org/aircraft/N21129), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145703
- Aircraft time: 49,183 hours, 32,045 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131ASMI
- Part serial: 18100
- Condition: No Test
- Location: Zone 200
- Part time: 1,229 hours, 1,105 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/JJBA20250627019

## Discrepancy

MULTIPLE EXTERIOR AND INTERIOR EMERGENCY LIGHT INOPERATIVE. SUSPECT BAD BATTERY. REMOVED AND REPLACED EMERGENCY BATTERY 3. OPS CHECK SAT.

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