Narrative:

Sudden engine spool down with a yawing motion was first experienced followed by captain noting left fuel pressure annunciator illuminated. We performed the engine failure checklist after torque gage read zero; confirming engine failure. Upon reaching the firewall shutoff valve step of the checklist; we noted the firewall shutoff valve had been switched to close somehow in flight. After monitoring engine instruments we decided it was safe to restart the left engine. We continued the flight without any further complications. Maintenance check determined nothing wrong with aircraft. It is not possible to determine exact cause of 'firewall shutoff valve closed' selection; possibly article of clothing or headset cord.

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Original NASA ASRS Text

Title: A BE9 First Officer reported that the left engine shut down in flight. While running the Emergency checklist the crew discovered the firewall shutoff valve in the closed position. The crew suspected a piece of clothing inadvertantly opened the cover and moved the switch to CLOSE.

Narrative: Sudden engine spool down with a yawing motion was first experienced followed by Captain noting left fuel pressure annunciator illuminated. We performed the Engine Failure Checklist after torque gage read zero; confirming engine failure. Upon reaching the Firewall Shutoff Valve step of the checklist; we noted the firewall shutoff valve had been switched to CLOSE somehow in flight. After monitoring engine instruments we decided it was safe to restart the left engine. We continued the flight without any further complications. Maintenance check determined nothing wrong with aircraft. It is not possible to determine exact cause of 'firewall shutoff valve closed' selection; possibly article of clothing or headset cord.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.