Service difficulty report · Skin · Cessna 425

Difficulty date
January 14, 2004
Submitted
February 23, 2004
Operation
Air carrier
Aircraft
N6845R
Make and model
Cessna 425
Aircraft serial
4250071
Engine
Pwa PT6A135
Propeller
Mcauly 4HFR34C762
Part
Skin
Part number
592211531
Condition
Wrinkled
Location
Lt Wing
Part time
4,709 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

IAW REQUIREMENTS OF FAR 145.63, SUBMITS THIS 8010-4. IN THE PROCESS OF PERFORMING A PHASE 2 AND 3 INSPECTION, DIAGONAL WRINKLES WERE DISCOVERED ON THE TOP LT WING PANEL BETWEEN THE AUX AND AFT SPARS IB OF THE NACELLE. AFTER CONTACT WITH AND REVIEW BY MFG ENGINEERING, MFG RECOMMENDED THE WING PANEL BE REPLACED. MFG STATED NO DIAGONAL WRINKLES WERE ACCEPTABLE IN THE PANEL IN QUESTION AND WAS AN INDICATION OF A HARD LANDING. MFG MM DOES NOT CALL FOR AN INSPECTION OF THE TOP WING PANEL DURING A HARD LANDING INSPECTION, ONLY THE BOTTOM PANELS. MFG HAD NO RECOMMENDATION FOR A REPAIR OR A FIX FOR THE PROBLEM ONLY REPLACEMENT OF THE PANEL.

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