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SDR FDEA202010142494

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Service difficulty report · Floorbeam · Boeing 757258

FAA SDR system

Difficulty date
October 14, 2020
Submitted
October 19, 2020
Operation
Air carrier
Aircraft
N964FD
Make and model
Boeing 757258
Aircraft serial
24884
Aircraft time
74,464 hours, 24,897 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Part number
144N507010
Condition
Corroded
Location
Main Cabin
Stage of operation
IN
How discovered
9
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 FLOOR SUPPORT HAS CORROSION BETWEEN RBL 26 AND RBL 45 STA 1055. REMOVED CORROSION ON FLOOR SUPPORT PLATE STA 1055 RBL 26-RBL 45, IAW B757 SRM 51-10-02. 100% MATERIAL LOSS FOUND OUT OF LIMITS, IAW B757 SRM 53-00-51-1A FIG 101. REMOVED, FABRICATED, AND INSTALLED NEW PLATE, IAW B757 SRM 51-40-02 AND BOEING DWG 144N5070 REV W AND REV B.