# SDR PNSA2015031602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2015
- Submitted: March 17, 2015
- Operation: Air carrier
- Aircraft: [N369PX](https://openairdocs.org/aircraft/N369PX), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 295
- Aircraft time: 38,170 hours
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 447CH7
- Part serial: P03194P03195
- Condition: Failed
- Location: Main
- Part time: 4,578 hours
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PNSA2015031602

## Discrepancy

ON FINAL, INTO DESTINATION, SELECT "GEAR DOWN" ALL 4 EFIS SCREENS BLANKED OUT.  R & R BOTH MAIN BATTERIES.

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