Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
April 24, 2020
Submitted
May 18, 2020
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 7377H4
Aircraft serial
33831
Aircraft time
55,520 hours, 32,985 cycles
Part
Support Angle
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 AFT BULKHEAD TO FLOOR PANEL SUPPORT ANGLE AT FCB BS500D LBL23 TO RBL23. WL157. / REMOVED AND REPLACED FCB AFT BULKHEAD PANEL SUPPORT ANGLE BS500D RBL23 TO LBL23 WL157 IAW SRM 51-40-02; DWG 143A7902 AND DWG 143A9481 P/N 143A9485Y35 PO #763131 89004U 01MAY20

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