Service difficulty report · Stringer · Doug MD11

Difficulty date
July 11, 2006
Submitted
September 25, 2006
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11
Aircraft serial
48478
Aircraft time
50,678 hours, 6,480 cycles
Part
Stringer
Part number
ARB75122
Condition
Cracked
Location
Rt Wing
Stage of operation
IN
How discovered
E
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

CRACK FOUND APPROX 11" IN LENGTH DURING HFEC INSPECTION ON RT WING TANK AT THE END OF STRINGER-12 (UPPER STRINGER) AT APPROX WING STA XORS 642. RHW TANK AT STR END OF STR-12 APPROX XORS 642 REPAIR CARRIED OUT AS PER SRM 57-20-00 FIG 10 VOL I OPTION 3 AND EA1-5720-102225 TITLE: WING-STRINGER 12 (RIGHT HAND) CLIP FABRICATION AND INSTALLATION. CLASSIFIED MAJOR REPAIR PER GMM 6-2-100.

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