Service difficulty report · Retaining Ring · Cessna 750

Difficulty date
August 24, 2016
Submitted
August 24, 2016
Operation
General aviation
Aircraft
N751EM
Make and model
Cessna 750
Aircraft serial
0254
Aircraft time
888 hours, 642 cycles
System (JASC)
3242 · Brake
Part
Retaining Ring
Condition
Broken
Location
Mlg Brake
Component
Brake Assy · Bfgoodrich
Component part number
215672
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT INBD AND RT OTBD BRAKES WERE NOTED AS SQUEALING WHEN TAXIING. EVALUATED BRAKE ASSEMBLIES IAW CMM 32-46-47. FOUND RETAINING RINGS, ITEM 270 IN CMM IPL, WHICH RETAIN THE SPRING GUIDES, ITEM 275 IN CMM IPL, IN PLACE TO BE BROKEN. THIS CAUSED DAMAGE TO THE PISTONS, ITEM 285 IN CMM IPL AND TO THE INSULATOR ASSEMBLIES, ITEM 205 IN CMM IPL.

More about the Cessna 750