Service difficulty report · Duct · Beech 58

Difficulty date
April 11, 2011
Submitted
April 14, 2011
Operation
General aviation
Aircraft
N18752
Make and model
Beech 58
Aircraft serial
TH877
Aircraft time
2,949 hours
Engine
Cont IO520*
Engine time
292 hours
Propeller
Hartzl PHCJ3YF2
Part
Duct
Part number
11516CXZ060845
Condition
Chafed
Location
Zone 400
Stage of operation
IN
How discovered
V
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

DURING ANNUAL INSP FOUND THE LT ENGINE FUEL METERING UNIT BLAST DUCT CHAFING ON ENGINE MOUNT TUBE. FOUND THAT THE METAL WIRE IN THE BLAST DUCT HAD WORN THROUGH THE BLAST DUCT AND WORE INTO THE ENGINE MOUNT TUBE REQUIRING THE ENGINE MOUNT TO BE REMOVED FOR REPAIR.

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