Service difficulty report · Doubler · Doug MD11F

Difficulty date
May 3, 2020
Submitted
July 8, 2020
Operation
Air carrier
Aircraft
N593FE
Make and model
Doug MD11F
Aircraft serial
48551
Aircraft time
82,449 hours, 18,190 cycles
Part
Doubler
Part number
ARB2706509
Condition
Cracked
Location
Lt 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

LT LOWER WING AT ACCESS PANEL AT STA XORS 683.4 TO 713.6 EXISTING REPAIR INTERNAL DOUBLER HAS A .050 INCH CRACK AT HOLE 29 AND .150 IN. CRACK AT HOLE 30. REMOVED AND REPLACED DAMAGED INTERNAL DOUBLER IAW SRM 57-20-02-22 FIG 201 REPAIR 1 SHEET 1.

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