My Cessna indicators are giving me lots of problems. Can
anyone do an overhaul on them. Or are there any replacements.

I have the following

ADF - Cessna 300 R546A
Nav/Com with Glide slope - NARCO MK 12D TSO
Nav/Com with VOR - 300 COM RT-328C

No one localy wants to work on them anymore. They tell
me no parts are available.

I'm interested in someone who can overhaul them with
a warranty period or some replacements for them.

Stephen
Winnipeg, Manitoba, Canada