SDR SWAA2023011078638

Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date: December 6, 2022
Submitted: January 10, 2023
Operation: Air carrier
Aircraft: N7742B
Make and model: Boeing 7377BD
Aircraft serial: 33928
Aircraft time: 51,537 hours, 27,573 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 986
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 AT AFT CABIN WET AREA FLOORBEAM FWD FLANGE FASTENER HOLES BS 986.5, LBL 45. REMOVED CORROSION IAW SRM 51-40-02-0G-0, INSTALLED A REPAIR ANGLE AND STRAP IAW SRM 53-70-51-2R-6, ALTERNATIVE 4, FIGURE 205, SRM 51-40-02-0G, SRM 51-40-02-0G-0, AND SRM 51-20-05-0G-0.

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