# SDR MALA030195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2003
- Submitted: March 13, 2003
- Operation: Air carrier
- Aircraft: N436XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B436
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Condition: Malfunctioned
- Location: Airspeed
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA030195

## Discrepancy

DURING FLIGHT 3148, F/O'S AIRSPEED INDICATOR BEGAN INDICATING OVER 250 KNOTS, AND KEPT CLIMBING IN 16,000 FT.  CAPTS AND STBY INDICATED 210 KNOTS.  AIR RETURN TO MSP.  MAINTENANCE DRAINED AND PURGED NR 2 PITOT SYSTEM WITH NITROGEN.  CLEANED DEBRIS FROM NR 2 PITOT TUBE, DRAIN NR 2 PITOT/STATIC SYSTEM.  OPS AND LEAK CHECKS GOOD.  IAW SF340 MM CHAP 34, ALSO INSPECTED STBY AND NR 1 PITOT DRAINS FOR MOISTURE.  NO DEFECTS NOTED.

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