SDR UPS07M49400

Service difficulty report · Spar · Doug MD11F

Difficulty date: December 7, 2006
Submitted: March 12, 2007
Operation: Air carrier
Aircraft: N257UP
Make and model: Doug MD11F
Aircraft serial: 48451
Aircraft time: 50,198 hours, 9,090 cycles
System (JASC): 5711 · Wing Spar
Part: Spar
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:C LEFT WING TOPSIDE AFT SPAR XORS 1042.0 SUSPECT CORROSION. LEFT WING TOPSIDE AFT SPAR PANEL NR 12 (ARC7168) BOLTS, NUTS, SHIMS & SCREWS REMOVED PER AMM20-50-02 R55. LEFT WING TOPSIDE AFT SPAR PANEL NR 12 (ARC7168) REMOVED PER SRM 51-33-01 V-II R38. CORROSION REMOVED FOUND EXCEED LIMIT PER SRM 57-20-00 FIG 6 VI R38. FPI CUTOUT PER DAC NDTSPM R12 PT 8 ON REWORKED AREA FOUND NO CORROSION EVIDENT.

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