SDR UPS05M44674

Service difficulty report · Spar Cap · Doug MD11F

Difficulty date: May 8, 2005
Submitted: June 8, 2005
Operation: Air carrier
Aircraft: N254UP
Make and model: Doug MD11F
Aircraft serial: 48406
Aircraft time: 43,692 hours, 8,279 cycles
System (JASC): 5711 · Wing Spar
Part: Spar Cap
Part number: ARB01747
Condition: Corroded
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: 2C, LT WING, UPPER SURFACE, AFT WING SPAR JUST FWD OF NR 3 SPOILER, STRAP HAS BULGE & CRACKED SEALANT, NEED TO EVALUATE FOR CORROSION (2 SPOTS). PERFORMED CORROSION REPAIR ON LT WING UPPER SURFACE AFT WING SPAR IAW SAA SK 254-796823 & UPS REPAIR/ALTERATION AUTHORIZATION ENGRG FILE MD11-57-20021.

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