Service difficulty report · Doubler · Doug MD11F

Difficulty date
July 16, 2015
Submitted
July 17, 2015
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
755 hours, 13,016 cycles
Part
Doubler
Part number
ARB2886
Condition
Cracked
Location
Rt Wing
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

RIGHT WING LE INTERNAL, PILLOW DOUBLER HAS A CRACK EMANATING FROM FASTENER AT XORS 565. TRIMMED OUT CRACK DOUBLER, FABRICATED 1 FILLER, -2 DOUBLER & -3 ANGLES IAW SRM 57-40-02. TREATED & PRIMED 1 FILLER, -2 DOUBLER & -3 ANGLES IAW SRM 51-21-01, OK TO INSTALL. INSTALLED NOTED PARTS COMPLETE IAW SRM 57-40-02 DPT 845863 07 07 15. NEED TO VERIFY MATERIAL CHECK FOR 1 FILLER & -3 DOUBLER. MATERIAL USE FOR -1 7075-T6 .020" & -3 DOUBLER 7075-T6 .032" ITEM 2. FABRICATE REPAIR ANGLES IAW SRM 57-40-02 REP 15 FIG 203. FABRICATED REPAIR ANGLES IAW SRM 57-40-02 REP 15 FIG 203 ITEM 3. OPEN WORK ITEM FAB ANGLE REQ HEAT TREAT FROM 7075-0-O 7075-6. HEAT TREAT COMPLIED WITH IAW DPS 7.00-. SEE ATT HEAT TREAT FORM.

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