# SDR SIMA200302701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2003
- Submitted: April 7, 2003
- Operation: Air carrier
- Aircraft: [N707EB](https://openairdocs.org/aircraft/N707EB), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145195
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20131A
- Part serial: 70980
- Condition: Inoperative
- Location: Cabin
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200302701

## Discrepancy

BOS - FLT 4644 - CREW REPORTED LEFT ESCAPE HATCH EMERGENCY LIGHT TO BE INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED A POWER SUPPLY UNIT IAW EMB MM.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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