SDR 99ZZZX4314

Service difficulty report · Frame · Cessna 340A

Difficulty date
October 29, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N5171J
Make and model
Cessna 340A
Aircraft serial
340A0006
Part
Frame
Part number
085112141
Condition
Corroded
Location
Engine Bay
Part time
2,068 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

CORROSION HAS EATEN AWAY ABOUT 2 SQUARE INCHES ON THE TOP OF THE 0851121-41 LT OUTBOARD BEAM ASSY BEHIND THE CANTED WEB AND IN FRONT OF THE FIREWALL. THE HEADS OF SEVERAL RIVETS ARE ALSO MISSING IN THIS AREA. EXHAUST GASSES AND HIGH TEMPERATUES IN THIS AREA SEEM TO BE THE REASON FOR THE CORROSION.

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