Service difficulty report · Stringer · Doug MD11

Difficulty date
December 18, 2007
Submitted
January 25, 2008
Operation
Air carrier
Aircraft
N293UP
Make and model
Doug MD11
Aircraft serial
48473
Aircraft time
53,125 hours, 7,143 cycles
Part
Stringer
Condition
Cracked
Location
Rt Wing
Stage of operation
IN
How discovered
9
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

INSPECTION TYPE:C RT WING UPPER STRINGER END NR 12 SUSPECT CRACK AS MARKED, THRU TANK ACCESS NR 635BT, RHW UPPER STRINGER NR 12 ATTACHED SPLICE REMOVED FOR ACCESS. HFEC INSP C/O PER DAC NDT SPM R13, 06-10-01.001 AND FOUND CRACK END APPROX 8". CRACK AREA SLOTTED OUT PER SRM 57-20-00 FIG 10 V.I R35. HFEC INSP C/O PER DAC N DT SPM R13,06-10-01.001 ON SLOTTED OUT AREA AND FOUND NO CRACK EVIDENT NEW REPAIR ANGLES FAB AND INSTALLED PER SRM 51-33-01 AND SRM 57-20-00.

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