# SDR MALA000250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: N408XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 408
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Indicator
- Condition: Damaged
- Location: Pitot System
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA000250

## Discrepancy

ON DESCENT INTO MSP AIRSPEED ON BOTH SIDES  AND STANDBY  A/S  INDICATOR WENT TO ZERO.  BOTH NR 2 VSI  ALSO MALFUNCTIONED.  MX DRAINED ALL PITOT STATIC POSTS AND PITOT DRAINS. INSPECTED PROBES. PURGED PITOT/STATIC PROBE AND DRAIN. TESTED ALTIMETERS, A/S INDICATORS, AND VSI.

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