Service difficulty report · Finger Doubler · Doug DC873F

Difficulty date
July 28, 2005
Submitted
August 12, 2005
Operation
Air carrier
Aircraft
N809UP
Make and model
Doug DC873F
Aircraft serial
46109
Aircraft time
77,280 hours, 27,172 cycles
Part
Finger Doubler
Condition
Corroded
Location
Fs879-902 Lbl65
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

CENTER WING BOX AT STA 879 TO 902 LBL 65 FINGER DOUBLER HAS SEVERAL SHEARED FASTENER HEADS AND HEAVY CORROSION UNDER THE FINGER DOUBLER. REMOVED FINGER DOUBLER AND FOUND OUT OF LIMITS IAW DC-8 SRM 53-2-0 FIG 1F. AREA UNDER FINGER DOUBLER FOUND IN LIMITS IAW DC-8 SRM 53-2-0 FIG 1F. FABRICATED AND INSTALLED FINGER DOUBLER IAW DWG 5645332 AND SRM 53-7-3 FIG 4 AND 51-1-20D.

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