# SDR REXA98069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N406BH
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A074
- System (JASC): [3251 · Steering Unit](https://openairdocs.org/jasc/3251)
- Part: Actuator
- Part number: 3810009104
- Condition: Failed
- Location: Nlg Steering
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA98069

## Discrepancy

DURING TAXI STEERING TILLER BECAME DIFFICULT TO TURN.  NOSE WHEEL WAS UNCONTROLLABLE.  HYD PUMP RAN NORMALLY WHEN DEPRESSED AND HYD WAS OK.  AFTER EXCERSIZING TILLER IT BEGAN WORKING FOR A SHORT TIME.  REMOVED AND REPLACED NOSE WHEEL STEERING SERVO ACTUATOR IAW 32-50-25.  OPS CHECK GOOD.  (M)

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