# SDR QXEA200700879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2007
- Submitted: June 5, 2007
- Operation: Air carrier
- Aircraft: N415QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4081
- Aircraft time: 9,663 hours, 9,120 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Shutoff Valve
- Part number: 8209712
- Part serial: 200112057
- Condition: Malfunctioned
- Location: Bleed Air
- Part time: 9,664 hours, 9,121 cycles
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA200700879

## Discrepancy

PDX FLIGHT 2270: DURING TAKE-OFF ROLL, NR 1 BLEED HOT CAUTION LIGHT ILLUMINATED.  AS PER CHECKLIST, TURNED OFF NR 1 BLEED.  LIGHT EXTINGUISHED.  MAINTENANCE INSPECTED AND FOUND THAT CDS INDICATED L HPSOV FAULTED.  REPLACED L HPSOV IAW Q400 AMM TASK 36-11-09-000-801 AND 36-11-09-400-801.  GROUND RAN NR 1 ENGINE.  FAULT DID NOT REOCCUR.  AIRCRAFT RETURNED TO SERVICE.

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