# SDR C2XA01TY113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2001
- Submitted: September 14, 2001
- Operation: Air carrier
- Aircraft: N13990
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145277
- Aircraft time: 3,447 hours, 2,325 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 72796
- Condition: Discharged
- Location: Cabin
- 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/C2XA01TY113

## Discrepancy

TYS  DURING A SCHEDULED INSPECTION, THE EMERGENCY AISLE LIGHTING SYSTEM BATTERY SUPPLY NUMBER 4 WAS FOUND DEAD.  MAINTENANCE REMOVED AND REPLACED NR 4 EMERGENCY LIGHT BATTERY, IAW EMB-145-MM-33-50-04.  OPERATIONAL CHECKS WERE GOOD.  THE REPAIR WAS SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.

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