# SDR VJ32002F00076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2002
- Submitted: October 4, 2002
- Operation: Air carrier
- Aircraft: [N8268T](https://openairdocs.org/aircraft/N8268T), registered now
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1547
- Engine: Cont IO520BB
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Pump
- Part number: RA216CW
- Part serial: B2560
- Condition: Failed
- Location: Dry Air
- Part time: 573 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VJ32002F00076

## Discrepancy

DURING GROUND RUN UP OUTPUT OF ENGINE DRIVEN DRY AIR PUMP FAILED TO PUT OUT PROPER PRESSURE AT IDLE RPM.  RAN AIRCRAFT UP AND AIR PRESSURE STILL LOW AT HIGHER RPM.  SUSPECT PROBABLE CAUSE IS HEAT AND VANES WEARING ON THIS DRY AIR PUMP.

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