Service difficulty report · Stringer · Doug MD11

Difficulty date
July 11, 2006
Submitted
September 27, 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
ARB75111
Condition
Cracked
Location
Lws 704 S11l
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 ON LT WING TANK AT S11R, XORS 704 APPROX. 7.5" LONG DURING HFEC INSPECTION. SPLICE ANGLE AND DOUBLER REMOVED AS PER SRM 51-31-01 VOL II. SLOTTED OUT CRACK AS PER SRM 57-20-00 FIG 10 VOL I. REPAIR ANGLES FABRICATED USING MATERIAL 7075-0-0.080" AS PER 57-20-00 FIG 10 VOL I. STRINGER REPAIR PARTS TRIMMED AND PICKED-UP HOLES PER SRM 57-20-00 FIG 10 VOL I. FABRICATED REPAIR PARTS INSTALLED AS PER SRM 57-20-00 FIG 10 VOL I. MINOR REPAIR CLASSIFIED AS PER GMM 6-2-100.

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