As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LOST POWER ON TAKEOFF. WATER IN THE FUEL VALVE DRAIN LINE HAD FROZEN AND EXPANDED INTO THE FUEL SUPPLY LINE WITH THE RESULTANT RESTRICTED FUEL FLOW TO THE ENGINE. SUBMITTER SUGGESTED THIS LINE, CESSNA PN 0400311-1, AND SIMILAR LINES ON OTHER CESSNA SINGLE ENGINE AIRCRAFT SHOULD BE EQUIPPED WITH QUICK DRAINS IN ORDER FOR THE PILOT TO DRAIN COLLECTED WATER OR IN THE CASE OF FROZEN WATER, ALERT HIM TO A PROBLEM.