Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 26, 2020
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
55,517 hours, 32,839 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 887
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 AFT CARGO BAY FLOOR PANEL SUPPORT AT B.S. 887; L.B.L. 9 - R.B.L. 21; W.L. 154. / REMOVED AND INSTALLED NEW FLOOR PANEL SUPPORT AT B/S 887. LBL9-RBL21. WL.154. IAW SRM 51-40-02-0G-0. DWG# 146A7500; 149A5104. 92892U 04JUN2020.

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