SDR UPS05844021

Service difficulty report · Finger Doubler · Doug DC873F

Difficulty date: February 22, 2005
Submitted: March 7, 2005
Operation: Air carrier
Aircraft: N805UP
Make and model: Doug DC873F
Aircraft serial: 46117
Aircraft time: 77,103 hours, 27,016 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Finger Doubler
Part number: REFDWG5645332
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE: C1, FINGER DOUBLER CRACKED & HAS SHEARED RIVET HEADS IN MAIN CABIN SUBFLOOR, STA 875 LBL 5. REMOVED FINGER DOUBLER & FOUND IT HEAVILY CORRODED ON UNDERSIDE. NO CORROSION NOTED ON PRESSURE WEB. FAB REPLACEMENT FINGER DOUBLER FROM 2024T3-.050. INSTALLED & SEALED DOUBLER REF DWG5645332, SRM 51-1-21, 51-1-8, 51-1-20D, 51-1-11.

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