Service difficulty report · Stringer · Doug MD11F

Difficulty date
November 13, 2007
Submitted
January 2, 2008
Operation
Air carrier
Aircraft
N291UP
Make and model
Doug MD11F
Aircraft serial
48477
Aircraft time
45,846 hours, 5,703 cycles
Part
Stringer
Condition
Cracked
Location
Lt 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 LT WING UPPER FUEL TANK STRINGER NR 11 END SUSPECT CRACKED. HFEC INSP C/O AT STR NR 11, FOUND CRACK OF APPROX 5" LENGTH. STR NR 11 SPLICE END AND LOCK FASTENER AT REPAIR AREA REMOVED. CRACK AT LT WING STR NR 11 SLOT OUT PER SRM 57-20-00 FIG 10VIR35. HFEC INSP C/O ON SLOT OUT AREA AND FOUND NO CRACK EVIDENT. REPAIR ANGLES FAB, HEAT TREATED, PAINTED AND REPROTECTED. REPAIR ANGLES INSTALLED AND CAP SEALING C/O ON REPAIR AREA. LEAK CK SATIS.

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