SDR UPS05844463

Service difficulty report · Finger Doubler · Doug DC873F

Difficulty date: April 22, 2005
Submitted: May 16, 2005
Operation: Air carrier
Aircraft: N880UP
Make and model: Doug DC873F
Aircraft serial: 46080
Aircraft time: 69,301 hours, 26,662 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Finger Doubler
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE:C1 MAIN CABIN CENTER WING BOX FINGER DOUBLER HAS SEVERAL SHEAR HEAD FASTENERS AND POSSIBLE CORROSION UNDER THE DOUBLER AT STA 865 BL 0. REMOVED FINGER DOUBLER AND FOUND OUT OF LIMITS, CENTER WING BOX PRESSURE WEB FOUND IN LIMITS AFTER CORROSION REMOVAL. FABRICATED REPLACEMENT FINGER DOUBLER IAW DWG 5645332, AND INSTALLED IAW DC-8 SRM 51-1-20D, 51-1-21, AND DWG 5645332.

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