Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 10, 2020
Submitted
April 14, 2020
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Support
Part number
147A7500
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 FLOOR TO SIDEWALL SUPPORT AT B.S. 887-947; W.L. 155; R.B.L. 21. / REMOVED AND REPLACED ACB FLOOR TO SIDEWALL SUPPORT BS887 TO BS947 RBL21 IAW SRM 51-40-02 AND DWG 147A7500 89004U 21MAR20

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