# SDR NSVA20070064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2007
- Submitted: January 7, 2008
- Operation: Air carrier
- Aircraft: N334CJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 334
- Aircraft time: 29,006 hours, 33,355 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Potentiometer
- Condition: Malfunctioned
- Location: Te Flaps
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA20070064

## Discrepancy

FLAPS DO NOT EXTEND FULL 20 DEGREES WHEN SELECTED SETTING OFF GPWS WARNING.  SLAVED IN FLAP CONTROL BOX IAW AMM 27-51-10-04.  NO JOY.  RETURNED ORIGINAL BOX TO ORIGINAL CONFIGURATION.  REMOVED AND REPLACED FLAP CONTROL VALVE IAW AMM 27-51-15.  NO JOY.  P/N ON-OFF HP1416100-5.  S/N ON 1033 OFF 1370.  BLED HYD SYSTEM IAW AMM 27-51-25-04.  OPS CHECKS  GOOD.  ADJUSTED GAIN FOR FLAP CONTROL LEVER POTENTIOMETER IAW AMM 27-51-00-05.  OPS CHECKS GOOD.

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