service letter No 401

akflyhunt

New member
Anyone have a copy of this? Its the service letter referenced in AD89-18-06. Folding front seat.
I need to see if my seat is truly the "improved" one. Thank in advance.
 
If the seat has an AN4 (unmodified) hinge bolts, then its a newer seat. The ones affected by the AD had AN3 hinge bolts.

And, no, its not the bolts that were weak. So dont just run a 0.25" drill through them. :lol: :p
 
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