SDR SWAA2022122073275

Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date: November 18, 2022
Submitted: December 20, 2022
Operation: Air carrier
Aircraft: N7715E
Make and model: Boeing 7377BD
Aircraft serial: 33921
Aircraft time: 56,608 hours, 29,985 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 986 Rbl 40-45
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 FOUND ON FLOORBEAM BS 986.5, RBL40-45.5. REMOVED CORROSION IAW SRM 51-10-02-0G-0. FABRICATED A FILLER & REPAIR IAW SRM 53-70-51-R2R-6 TABLE 204, ALTERNATIVE 4. TREATED AND PRIMED FILLER IAW AMM 51-21-41-370-801 AND 51-21-72-370-804, & INSTALLED IAW SRM 53-70-51-2R-6, REPAIR 6, TABLE 204, ALTERNATIVE 4.

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