Narrative:

Instrument and student 36 min into a local training flight experienced a power loss (of undetermined origin) and performed a precautionary off airport landing. Upon inspection by mechanic, small amount of water found in 'T' fitting of fuel lines in belly of aircraft. No other problems observed. Aircraft was then restarted and static runup performed. Satisfactory. Aircraft then flown out of field and returned to base airport. Possible cause, freezing of water in fuel lines. Outside air temperature was 27 degree F. Possible correction, drain sump placed in 'T' fitting in fuel line.

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Original NASA ASRS Text

Title: SMA ON TRAINING FLT WITH INSTRUCTOR AND STUDENT CONDUCT PRECAUTIONARY OFF ARPT LANDING DUE TO POWER REDUCTION.

Narrative: INSTR AND STUDENT 36 MIN INTO A LCL TRNING FLT EXPERIENCED A PWR LOSS (OF UNDETERMINED ORIGIN) AND PERFORMED A PRECAUTIONARY OFF ARPT LNDG. UPON INSPECTION BY MECH, SMALL AMOUNT OF WATER FOUND IN 'T' FITTING OF FUEL LINES IN BELLY OF ACFT. NO OTHER PROBS OBSERVED. ACFT WAS THEN RESTARTED AND STATIC RUNUP PERFORMED. SATISFACTORY. ACFT THEN FLOWN OUT OF FIELD AND RETURNED TO BASE ARPT. POSSIBLE CAUSE, FREEZING OF WATER IN FUEL LINES. OUTSIDE AIR TEMP WAS 27 DEG F. POSSIBLE CORRECTION, DRAIN SUMP PLACED IN 'T' FITTING IN FUEL LINE.

Data retrieved from NASA's ASRS site as of July 2007 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.