Service difficulty report · Panel · Cessna 550

Difficulty date
May 30, 2007
Submitted
June 22, 2007
Operation
General aviation
Aircraft
N100DS
Make and model
Cessna 550
Aircraft serial
5500639
Engine
Pwa JT15D4
Part
Panel
Part number
552277564
Condition
Delaminated
Location
Lt Wing
Part time
4,430 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

DURING COMPLETION OF MFG PROGRAM PHASE 5 INSPECTION, NOTICEABLE DEPRESSION WAS OBSERVED IN UPPER SURFACE OF LT AND RT WING SKINS IN AREA OF MLG UPLOCK HOOK ASSY ATTACHMENT. DURING COMPLETION OF LANDING GEAR OPERATIONAL CHECK, IT WAS NOTED THAT DEPRESSION ARE SIZE GREW WHILE MLG WAS IN UP AND LOCKED POSITION. USING THE COIN TAP TEST METHOD. CONFORMATION WAS MADE THAT BOTH BONDED PANELS WERE DELAMINATED. IAW TECH SUPPORT, NO DELAMINATION IS ALLOWED ON THESE PANELS. OPTIONS AVAILABLE FOR REMEDY WERE REMOVED AND REPLACED, POSSIBLE REPAIR DEFINITION AND ASSOC 8110 FORM, OR POSSIBLE TEMPORARY REPAIR WITH FLIGHT EXTENSION. (K)

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