SDR SWAA2023012383662

Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date: December 20, 2022
Submitted: January 23, 2023
Operation: Air carrier
Aircraft: N272WN
Make and model: Boeing 7377H4
Aircraft serial: 32527
Aircraft time: 52,973 hours, 31,748 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 986 Lbl 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 ON BS 986 FLOORBEAM AT LBL 45, FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1. CUT & REMOVED THE DAMAGED PART OF THE FLOORBEAM IAW SRM 53-70-51-2R-6 PARA. 4C(2A). REPAIRED IAW SRM 53-70-51-2R-6 PARA. 4N-O, SRM 53-70-51-2R-6 PARA. 4P-Q.

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