Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 9, 2020
Submitted
May 4, 2020
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
55,307 hours, 32,840 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

FWD CARGO PIT AFT FLOOR SUPPORT AT STA 500D BETWEEN LBL 10 TO RBL14 WL 155 HAS CORROSION ON UPPER SURFACE / REMOVED CORROSION FWD CARGO PIT AFT FLOOR SUPPORT STA 500D ORIG 'T' .080 LOSS 100% OUT OF LIMITS IAW SRM 53-00-53-1A-2 REMOVED + REPLACED FLOOR SUPPORT IAW SRM 51-40-02-0G-0 + DWG 143A9481 REV: -

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