Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 22, 2020
Submitted
May 20, 2020
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
41,011 hours, 24,777 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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 986 BEAM UPPER CHORD LBL45 WL 208 / REMOVED CORROSION ON B.S986 FLOOR BEAM UPPER CHORD LBL45 WL208 IN AN AREA OF 1' X 1.5'; REMAINING .088'; ORIGINAL MAT' IS .150' AREA FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1; ACCOMPLISHED B.S 986 FLOOR BEAM UPPER CHORD REPAIR IAW SRM 53-70-51-2R-4

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