SDR 2012FA0000528

Service difficulty report · Block · Cessna 150B

Difficulty date: August 2, 2012
Submitted: August 3, 2012
Operation: General aviation
Aircraft: N7343X
Make and model: Cessna 150B
Aircraft serial: 15059443
Aircraft time: 7,400 hours
Engine: Cont O200A
Propeller: Snsnch 69CK
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Block
Part number: 0523524
Condition: Corroded
Location: Zone 500
Part time: 7,400 hours
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

CORROSION FOUND ON FORWARD AND AFT WING SPARS UNDER FUEL TANK SPACER BLOCKS, IN FUEL TANK MOUNTING BAY. PROBLEM DISCOVERED WHEN FUEL TANKS WERE REMOVED FOR REPAIR. NO VISUAL CORROSION INDICATIONS NOTED AROUND SPACERS WHEN MOUNTED. SPACERS REMOVED ON A "HUNCH" THAT UNDERLYING CORROSION MAY EXIST. CONDITION EXISTED IN BOTH WINGS.

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