# SDR AU990694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Engine: Rroyce SPEY55515
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Bleed Valve
- Part number: 861
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990694

## Discrepancy

(AUS) PRESSURIZATION SYSTEM BLEED AIR SHUTOFF VALVES FAULTY.

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