# SDR CA980707007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Dhav DHC8311
- Engine: Pwa PW123
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Valve
- Part number: 311489101
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: IN
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980707007

## Discrepancy

(CAN) AFTER START WHEN NR 2 ENGINE BLEED WAS SELECTED ON, SMOKE WAS GENERATED IN THE CABIN.  INSPECTION FOUND GROOVES IN THE P2.5/03 SWITCHING VALVE AND VALVE COVER.  THE PARTS WERE REPLACED.  THE ENGINE GROUND RUN SERVICEABLE AND THE AIR QUALITY WAS RESTORED.

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