Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 26, 2020
Submitted
August 17, 2021
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
55,517 hours, 32,839 cycles
Part
Support
Condition
Corroded
Location
Bs 400-420
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 FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 400-420; R.B.L. 24; W.L. 154. / REMOVED DAMAGED FLOOR TO SIDEWALL SUPPORT AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT BS 396- 420 RBL 24 WL 154 IAW SRM 51-40-02-0G-0 AND DWG 143A75000; 143A7505 AND 143A7501

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