Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 1, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N449WN
Make and model
Boeing 7377H4
Aircraft serial
32469
Aircraft time
60,089 hours, 35,684 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 986 Lbl45
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 UPPER FLANGE; FLOOR BEAM STA. 986.5; LBL 45 ; / [01] REMOVED CORROSION ON UPPER FLANGE AROUND FASTENER HOLE FOUND EXFOLIATION CORROSION OUT OF LIMITS PER SRM 53-70-51-1A-1; [02] VERIFIED STEP 1; [03] REPAIR ON FLOOR BEAM STA 986.5 LBL 45 IS ACCOMPLISHED ON T/C TTG8Q0060GN8; [04] VERIFIED STEP 3

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