# SDR SIMA3163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2000
- Submitted: December 28, 2000
- Operation: Air carrier
- Aircraft: [N231AE](https://openairdocs.org/aircraft/N231AE), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B231
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 6013211
- 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/SIMA3163

## Discrepancy

MHT - FLT 4473 - EMERGENCY LIGHTS WILL NOT STAY ILLUMINATED.  AIRCRAFT WAS FERRIED TO LGA FOR REPAIR.  MAINTENANCE REMOVED AND REPLACED ALL 5 POWER SUPPLY UNITS (S/N 18232, 17662, 18438, 18325 AND 18600) IAW SAAB MM.  OPERATIONAL CHECK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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