Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 17, 2020
Submitted
August 10, 2020
Operation
Air carrier
Aircraft
N495WN
Make and model
Boeing 7377H4
Aircraft serial
33869
Aircraft time
54,161 hours, 31,953 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 270
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

FLIGHT DECK FLOOR LATERAL BEAM AT BS 270 HAD CORROSION BETWEEN LBL 3.5 AND LBL 6.5 UPPER FORWARD FLANGE. WL 207.54. ACCOMPLISHED REPAIR AT FLIGHT DECK LATERAL BEAM STA 270 BETWEEN LBL 3.5' AND LBL 6.5' UPPER FORWARD FLANGE IAW EA # 20-153-01200, REV IR.

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