SDR SCNA20201116276

Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date: October 14, 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: 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 312 FLOOR BEAM UPPER SURFACE APPROXIMATELY RBL 9 WL 208. REMOVED CORROSION ON 312 FLOOR BEAM UPPER SURFACE RBL 9 AREA 2.7L X .85W X .040D OF ORIGINAL .125 FOUND TO BE OUT OF LIMITS, IAW SRM 53-10-51-1A-1 FIG 105 DETAIL E. REPAIRED DAMAGED AREA, IAW SRM 53-10-51-2R-15, WITH 7075-T6-100 LOT NR 5065468.

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