Service difficulty report · Support · Boeing 7377H4

Difficulty date
March 11, 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
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 FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B.S. 450-500D; W.L. 155; L.B.L. 21. / REMOVED AND REPLACED ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS400-500D; WL.155; LBL-21 IAW SRM 51-40-02 PAR D DWG# 143A7500; AND LOCATED (1EA) SIDE PLATE REPAIR AT BS480+10 FROM MATERIAL BAC1496-444; LOT# 1419983-2 IAW SRM 53-00-53-2R-G TABLE 201 Ï¿½2Ï¿½ FIG.202. 59202U 20MAR20

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