SDR FDEA201007082420

Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date: July 8, 2010
Submitted: July 26, 2010
Operation: Air carrier
Aircraft: N902FD
Make and model: Boeing 7572B7
Aircraft serial: 27123
Aircraft time: 53,534 hours, 22,034 cycles
Engine: Rroyce RB211535E4
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 143N50141
Condition: Corroded
Location: Bs 700
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

CABIN FLOORBEAM AT STA 700 IN BETWEEN LBL 45.50 AND 58.22 CORRODED. REMOVED CORROSION IAW SRM 51-10-02 BLENDED AREA ORIG. MAT. .125 MAT LOSS .009", L=.014", W=2.050", D=.009". FOUND TO BE WITHIN LIMIT IAW SRM 53-00-51 FIG 101 DETAIL II. TREATED & PRIMED FLOORBEAM IAW SRM 51-20-01,TOP COATED AREA IAW AMM 25-00-7. MINOR REPAIR.

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