SDR SWAA2020060474500

Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date: May 2, 2020
Submitted: June 4, 2020
Operation: Air carrier
Aircraft: N464WN
Make and model: Boeing 7377H4
Aircraft serial: 32468
Aircraft time: 55,704 hours, 33,002 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fuselage
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

CORROSION CABIN FLOORBEAM UPPER CAP, UPPER SURFACE, BS 986.5, LBL 50', WL 208.1 (L2 DOOR AFT GIRT BAR FLOOR FITTING AREA). INSTALLED CATEGORY A REPAIR AT FLOORBEAM UPPER CAP, STA 986.5 FROM RBL 50' TO LBL 50' (ENTIRE T CAP REPLACEMENT) IRW SRM 53-70-51-2R-4 REPAIR 4.

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