SDR IPXA2B71256

Service difficulty report · Floorbeam · Boeing 74745E

Difficulty date: January 17, 2012
Submitted: January 30, 2012
Operation: Air carrier
Aircraft: N578UP
Make and model: Boeing 74745E
Aircraft serial: 27154
Aircraft time: 81,457 hours, 13,958 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 69B034592
Condition: Corroded
Location: Bulk Cargo Compt
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, BULK CARGO BAY STA 2044, LBL 54 TO RBL 54 FLOORBEAM UPPER & LOWER SURFACE FOUND SEVERAL AREAS CORRODED. REPLACED IAW SRM 51-10-02 AND INSTALLED IAW SRM 51-40-02, REV.19. THICKNESS IS 0.050",BLEND DEPTH IS 0.037", WIDTH 1" & LENGTH 1.5" OUT OF LIMIT IAW SRM 53-00-53 ALLOWABLE DAMAGE 1 FIG 101, REV 19, DAMAGED PARTS REPLACED WITH MFG PART, PN 69B03459-2

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