SDR 04FDEA02506

Service difficulty report · Spar · Doug MD11F

Difficulty date: August 19, 2004
Submitted: September 8, 2004
Operation: Air carrier
Aircraft: N578FE
Make and model: Doug MD11F
Aircraft serial: 48458
Aircraft time: 34,367 hours, 9,652 cycles
System (JASC): 5711 · Wing Spar
Part: Spar
Part number: ARB7411
Condition: Corroded
Location: Zone 500
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

LEFT HAND WING, REAR SPAR, UNKNOWN TO XORS= 620 UPPER CHORD FOUND WITH CORROSION. LEFT HAND WING, REAR SPAR, XORS= 600 TO XORS= 620 UPPER CHORD CORROSION REMOVED PER SRM 51-21-01 VOLUME II. COMPLIED WITH FEDEX EA NR 1-5710-76826, WINGS, LEFT UPPER AND LOWER REAR SPAR, CORROSION AND CRACK REPAIR.

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