SDR IPXA1668534

Service difficulty report · Floorbeam · Boeing 76734AF

Difficulty date: August 1, 2011
Submitted: August 12, 2011
Operation: Air carrier
Aircraft: N311UP
Make and model: Boeing 76734AF
Aircraft serial: 27741
Aircraft time: 41,421 hours, 12,909 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 145T52311
Condition: Cracked
Location: Bs 998
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:8C, M/DECK STA 998, RBL 10 FLOOR SUPPORT LOWER FACE FOUND CRACKED. M/DECK STA 998, LBL10 TO RBL10 AREA FLOOR SUPPORT REPLACED AND INSTALLED IAW HX RS NR R-53-50-37193 REV A AND EO NR B767-5310-43780-A. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR, ORIGINAL MATERIAL IS BAC1518-790-7075T6511, CRACK AREA AT RBL10 AREA THROUGH THE WHOLE HOLE EDGE, SUPPORT WHOLE LENGTH IS 20.9375".

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