Hi all,

One of the two co-owners with me of the real N7764P (pa24-250) had the 
connector of one of the oil cooler hoses break just before entering the 
pattern at KLMO, where we hangar.  We check the oil in preflight to 9 
quarts and he had just under 6 quarts at shut down.  The left side and 
belly were covered with dripping oil.  He was returning from a camping 
trip in Yellowstone National Park.  If the leak had occurred any time 
earlier on this leg, he would have been over the mountains.  The 
mechanic that replaced the oil cooler said, 5 more minutes of flight 
would have exhausted the oil.

We had a major overhaul done at Firewall Forward (Fort Collins KFNL) in 
December and January and they are paying for the repair under warranty. 
They and the mechanic that replaced the oil cooler agreed that the 
connector was not installed correctly as the hose put a lot of side load 
on the connector and vibration caused the fitting to crack and fail.  
Firewall Forward has implemented retraining of their mechanics to avoid 
similar problems on future overhauls.

The AC is again flyable after replacing the oil cooler, this time with 
proper fittings and hose attachments.

Regards,
Dave P.

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