Service difficulty report · Support · Boeing 7377H4

Difficulty date
October 5, 2023
Submitted
November 6, 2023
Operation
Air carrier
Aircraft
N451WN
Make and model
Boeing 7377H4
Aircraft serial
32495
Aircraft time
64,297 hours, 38,163 cycles
Part
Support
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

AFT CARGO BAY FWD R/H FLOOR SUPPORT AT RBL 23 IS CORRODED AT BS727B - BS727B+10; BS727C - BS727C+10; BS727D - BS727D+50.<[01] REMOVED AND REPLACED SIDEWALL SUPPORT RH BS 727 - BS 767<BR>RBL 23 WL 156 IAW SRM 51-40-02 AND DWG 146A7500;[02] VERIFIED CORRECTIVE ACTION 1.<BR>VERIFIED MEASUREMENTS TABLE.<BR>JOB COMPLETED.

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