# SDR QXEA200501171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2005
- Submitted: August 17, 2005
- Operation: Air carrier
- Aircraft: N347PH
- Make and model: Dhav DHC8202
- Aircraft serial: 480
- Aircraft time: 18,812 hours, 26,590 cycles
- Engine: Pwa PW123D
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Valve
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200501171

## Discrepancy

WHEN NR 2 BLEED WAS SELECTED ON, GREY HAZE FILLED COCKPIT AND CABIN. MAINTENANCE REPLACED NR 2 ENGINE P2.5/3.0 SWITCHING VALVE IAW QX MTC 9723001. GROUND RAN NR 2 ENGINE, SELECTED NR 2 BLEED ON. NO HAZE OR ODORS DETECTED. AIRCRAFT RETURNED TO SERVICE.

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