SDR FDEA201401220180

Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date: January 22, 2014
Submitted: March 26, 2014
Operation: Air carrier
Aircraft: N975FD
Make and model: Boeing 7572B7
Aircraft serial: 27146
Aircraft time: 60,768 hours, 22,114 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 143N50656
Condition: Corroded
Location: Bs 740
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

MAIN CABIN, FLOORBEAM BS 740, BETWEEN LBL 45 - 60, HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL III. REMOVED AND REPLACEDFLOORBEAM IAW SRM 51-40-02 AND DWG 143N5065. REPAIR IS CLASSIFIED AS CATEGORY "A" MAJOR.

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