Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 2, 2020
Submitted
August 23, 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
Cargo Bulkhead
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 FORWARD CARGO BAY AFT BULKHEAD RIGHT HAND PANEL LOWER SUPPORT AT B.S. 500D; R.B.L. 25; W.L. 154 / REMOVED FORWARD CARGO BAY AFT BULKHEAD R/H SUPPORT BS500 RECEIVED NEW BULKHEAD SUPPORT LOCATED; DRILLED; COUNSUNK NEW R/H BULKHEAD SUPPORT INSTALLED NEW R/H BULKHEAD SUPPORT IAW SRM 51-40-02; SRM 51-40-05; SRM 51-40-08 DWG# 143A7902 7191U 03JUN20

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