SDR UPS07M51349

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
System (JASC): 5713 · Wing, Longeron/Stringer
Part: Stringer
Condition: Cracked
Location: Rt Wing
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

INSPECTION TYPE:C RT WING FUEL TANK STRINGER NR 10 END SUSPECT CRACKED. HFEC INSP C/O AT STR NR 10 END FOUND CRACK OF APPROX 11 INCHES LONG. STR NR 10 SPLICE END & HI-LOKS AT REPAIR AREA REMOVED. CRACK AT STR NR 10 SLOT OUT PER SRM 57-20-00 FIG 10 VI R35. HFEC INSP C/O ON SLOT OUT AREA & FOUND NO CRACK EVIDT. REPAIR ANGLES FAB, HEAT-TREATED, REPROTECTED & PRIMED. REPAIR ANGLES INSTALLED. CAP SEAL C/O ON REPAIR AREA. LEAK CHECK SATIS.

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