SDR IPXA2014020381744

Service difficulty report · Doubler · Boeing 74745E

Difficulty date: January 18, 2014
Submitted: February 3, 2014
Operation: Air carrier
Aircraft: N579UP
Make and model: Boeing 74745E
Aircraft serial: 26062
Aircraft time: 85,009 hours, 14,563 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Doubler
Condition: Cracked
Location: Bs 400
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 C, BS 400 LEFT SIDE NOSE WHEEL WELL AFT CORNER FOUND CRACKED AT SECOND LAYER FROM SURFACE TOWARD UP & DOWN WITH LENGTH APPROX 0.030" & 0.020". INTERNAL SPLICE PLATE IS REPLACED AND INSTALLED IAW SRM 51-10-02, REV.27 AND HX RI NO RI-53-11-10442 REV.A AND EO -5330-53287-A.

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