SDR CA121101002

Service difficulty report · Riser · Cessna 180F

Difficulty date: October 31, 2012
Submitted: September 14, 2015
Operation: General aviation
Make and model: Cessna 180F
Engine: Cont O470R
Propeller: Mcauly 2A34C203
System (JASC): 8510 · Reciprocating Engine Front Section
Part: Riser
Part number: G27658A1
Condition: Cracked
Location: Intake Manifold
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

(CAN) DURING 50 HR INSPECTION, CRACKED INTAKE MANIFOLD RISER, PN G27658A1 FOUND AT LT SIDE MOUNT AT OIL SUMP FLANGE PERIMETER. CRACKED DUE TO UNEVEN MOUNT SURFACE ON SUMP FLANGE, WELD. ADVISED WARRANTY CLAIM SUBMITTED. REPLACEMENT PARTS ON ORDER.

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