Service difficulty report · Mount Bracket · Beech 300BEECH

Difficulty date
August 18, 2009
Submitted
October 23, 2009
Operation
General aviation
Make and model
Beech 300BEECH
Aircraft time
9,731 hours
Engine
Pwa PT6A60A
Propeller
Hartzl HCB4MP3
Part
Mount Bracket
Part number
11791006013
Condition
Cracked
Location
A/C Compressor
Stage of operation
IN
How discovered
9
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

WHILE CARRYING OUT SCHEDULED ENG INSP, WHICH INCLUDED LUBING AIR CONDITIONING COMPRESSOR QUILL SHAFT, FOUND BRACKET WHICH THE AIR CONDITIONING COMPRESSOR MOUNTS TO AND PIVOTS ON WAS CRACKED AND THE REAR LUG WAS BROKEN RIGHT OFF. REPLACED WITH A SERVICEABLE PART. THERE IS A SB (21-3932) FOR AN IMPROVED COMPRESSOR MOUNTING BRACKETS, HOWEVER, IT IS NOT APPLICABLE TO THIS SN (APPLIES TO FL-493 AND UP) THE SB ONLY REFERENCES A KIT NR TO INSTALL AND DOESN`T GIVE DETAILS, HOWEVER, WE INTEND TO RESEARCH THE PN AFFECTED WITH MFG TO DETERMINE APPLICABILITY.