SDR SWAA2022111564420

Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date: October 25, 2022
Submitted: November 15, 2022
Operation: Air carrier
Aircraft: N8658A
Make and model: Boeing 7378H4
Aircraft serial: 36899
Aircraft time: 26,704 hours, 12,362 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 947
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 ON BS 947 FLOORBEAM LBL 26, WL 208 UPPER SURFACE. FABRICATED REPAIR, LOCATED & DRILLED. FLAP PEENING CUT EDGE ON ORIGINAL FLOORBEAM AND NEW TEE FITTING. APPLIED CHEMICAL CONVERSION COAT & PRIMED IAW SRM 53-70-51-2R-5, REP 5, ALT.2. PAR 4.C(3)-4.K. INSTALLED REPAIR IAW SRM 53-70-51-2R-5, REP 5, ALT 2, PAR 4.L-M.

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