SDR 96ZZZX5328

Service difficulty report · Pivot Plate · Beech B300

Difficulty date
September 23, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N550TP
Make and model
Beech B300
Aircraft serial
FL35
Part
Pivot Plate
Part number
1179100609
Condition
Ear Broken
Location
Lt Eng Accy Box
Part time
1,224 hours
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

AIR CONDITIONER COMPRESSOR PIVOT PLATE HAD EAR BROKEN OFF THAT MOUNTS THE COMPRESSOR ONTO THE ENGINE ACCESSORY AREA. THIS IS THE THIRD SUCH DEFECT FOUND ON THIS PART, ALSO, FOUND COMPRESSOR DRIVE BELT BROKEN AND DRIVE BELT PULLEY DESTROYED BY OVERHEATED BEARING. BEARING PIN IS 206S22C AND MADE BY (MRC BEARINGS INC.) BEARING ONLY HAD 200 HOURS TOTAL ON IT. SUBMITTER SUGGESTS ALL FAILURES ARE RELATED TO ONE ANOTHER.

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