SDR SCNA20201116248

Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date: October 23, 2020
Submitted: November 17, 2020
Operation: Air carrier
Aircraft: N813SY
Make and model: Boeing 7378Q8
Aircraft serial: 28237
Aircraft time: 60,154 hours, 22,792 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fwd 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

FWD CABIN FLOOR BEAM HAS CORROSION STA 328, RBL 54, WL 207. CORROSION ON FLOOR BEAM AT BS 328 RBL 54 WL 207 FOUND TO BE OUT OF LIMITS, IAW 53-10-51-1A-1. REMOVED AND REPLACED UPPER CHORD AND FASTENERS, PER 737800 SRM 51-40-02 AND 737-800 SRM 53-10-51-2R-7.

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