Service difficulty report · Spar · Doug MD11F

Difficulty date
August 17, 2025
Submitted
September 24, 2025
Operation
Air carrier
Aircraft
N546JN
Make and model
Doug MD11F
Aircraft serial
48546
Aircraft time
82,975 hours, 14,974 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
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

DURING HEAVY MAINTENANCE LH OUTER WING UPPER REAR SPAR HAS CORROSION @ APPROX (XORS-694). AFTER FURTHER EVALUATION BOEING CERTIFIED THE BLENDED AREA AS A PERMANENT REPAIR AND BEEN ACCOMPLISHED WITH ALL THE REQUESTED PROVISIONS AT LH OUTER WING UPPER REAR SPAR AT APPROX XORS-694 IAW MD-11 BOEING MESSAGE: WGN-WGN-25-0035-01C/03C. THE AIRCRAFT WA APPROVED FOR RETURN TO SERVICE.

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