Service difficulty report · Web · Boeing 7377H4

Difficulty date
September 28, 2023
Submitted
October 24, 2023
Operation
Air carrier
Aircraft
N969WN
Make and model
Boeing 7377H4
Aircraft serial
41777
Aircraft time
37,821 hours, 23,246 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 COMPARTMENT DOOR CUT-OUT SUB-THRESHOLD WEB FROM STA787+7 TO STA 787+14; RBL 20 TO RBL 28; WL 156; STA 787+15.5; RBL 26; STA 827+18; RBL 20; WL 156.<[01] REMOVED AND REPLACED SUB-THRESHOLD WEB <BR>BS794-BS847 RBL20 WL156 <BR>IAW SRM 51-40-02 & DWG146A8120;[02] VERIFIED. <BR>VERIFIED MEASUREMENTS.

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