Narrative:

I arrived [on an IFR flight] and received fuel and added 2 qt of oil and filed a IFR plan for the return. I departed and received radar vectors from the tower and departure. At around 6;000 feet I had a very sudden and large power loss. I contacted departure and [requested a return to the field] with a subsequent safe landing. The shop that looked at it found the number 5 air intake line had come loose. They advised and repaired with normal performance restored.

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Original NASA ASRS Text

Title: The pilot of a C206 reported a power loss during climb out with a subsequent return to the departure airport. Maintenance personnel identified that an air intake line had come loose.

Narrative: I arrived [on an IFR flight] and received fuel and added 2 qt of oil and filed a IFR plan for the return. I departed and received radar vectors from the tower and departure. At around 6;000 feet I had a very sudden and large power loss. I contacted departure and [requested a return to the field] with a subsequent safe landing. The shop that looked at it found the number 5 air intake line had come loose. They advised and repaired with normal performance restored.

Data retrieved from NASA's ASRS site 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.