SDR SCNA20201201389

Service difficulty report · Floorbeam · Boeing 7378K2

Difficulty date: November 23, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N817SY
Make and model: Boeing 7378K2
Aircraft serial: 30392
Aircraft time: 65,543 hours, 25,167 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: 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

STA 947.5, RBL 50 WL 208 FLOOR BEAM UPPER CAP HAS CORROSION. CORROSION ON STA 947.5 FLOOR BEAM UPPER CHORD RBL 50, WL 208 FOUND TO BE OUT OF LIMITS, IAW SRM 53-70-51-1A-1 FIG 104 DETAIL C. REMOVED DAMAGE AND REPAIRED, IAW SRM 53-70-51-2R-5.

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