# SDR C2XA02SH134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2002
- Submitted: December 4, 2002
- Operation: Air carrier
- Aircraft: N16520
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145372
- Aircraft time: 3,921 hours, 3,411 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 110049
- Part serial: 16117
- Condition: Discharged
- Location: Cabin
- 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/C2XA02SH134

## Discrepancy

DURING C CHECK THE OVERWING LIGHTS BECAME IN-OPERATIVE.  MAINTENANCE REMOVED AND REPLACED EMERGENCY BATTERY SUPPLY NR 4 AND PERFORMED OPERATIONAL CHECK, OPERATIOANL CHECK WAS GOOD IAW EMB 135 AMM 33-50-04.  THE AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.

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