SDR SCNA20201116244

Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date: November 1, 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: Aft 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

CORROSION ON AFT CABIN FLOOR SUPPORT, STA 947.5+3, LBL 40 TO LBL 46, WL 208 MULTIPLE AREAS. AFT CABIN FLOOR SUPPORT AT BS 947.5+3 LBL 40-46 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM 53-70-51-1A-1 FIG 104 DETAIL C. REMOVED AND REPLACED FLOOR SUPPORT, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING 147A5650.

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