Found out the hard way that aircraft lubricants expire way sooner than I thought

I was pulling a 3 year old tube of Aeroshell 6 out of my box last month to grease up some landing gear parts on a King Air. Old timer walks by, grabs it out of my hand and says "son that stuff is bad, look at the date." Sure enough it was 18 months past the shelf life. I never even knew grease had an expiration date. Been doing this 8 years and nobody ever told me that. I guess the additives break down or something. He showed me a bulletin from the manufacturer that confirmed it. Has anyone else been using old grease without knowing this?

2 comments

2 Comments

the_anna4d ago

Congrats, you found the secret to making your landing gear extra slippery... and unsafe.

emma5224d ago

Guess I've been known to slick things up in the worst possible ways.