Recently ,I had been practicing touch and go and short field landings.On my
post flight walk-around,I noticed a shiny spot at the top rear of the right
tire,after tied down and chocked.It was dusk, and it was only the shine that
was abnormal. It was sticky.
Checking closer,using my flashlight,I noticed a small pink smear at one
corner edge if the under-wing access panel right above the tire.
Checking later with the local airport"experts",their consensus was that ir
was a leak in the brake line inside the wing, and the pink fluid was brake
However, I checked the brake fluid reservoir and the level was not down.
So, next day I flew it over to my AME who is at an airport in the next
town, and he guessed it was hydraulic fluid. When he removed the access
panel,we could see more pink fluid around the gear actuator.
They removed the righthand main landing gear actuator,and replaced the
O-rings. They tested for cracks,pressure tested it and reinstalled it,then
carried out gear swings.
Anyway ,that fixed it.The mechanic said this type of failure is prone to
occur when the O-rings are worn, at a time when there is large temperature
fluctuations,from above to below freezing. I park outside,and the O-rings
had last een serviced some 12 years before.
The repair cost was $152. to remove and replace two Retractor Rams,and $304
to remove the main gear actuator,replace the 4 seals and reinstall and test.

My mechanic indicated this leak had recently started, and it was a good
thing I had noticed it before the gear actually failed on a flight.
Ray Griffin C-GTTW
TRhe cost was TheyTheyThey removced the right .

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