Service difficulty report · Support Rib · Boeing 7378H4

Difficulty date
May 11, 2026
Submitted
May 28, 2026
Operation
Air carrier
Aircraft
N8541W
Make and model
Boeing 7378H4
Aircraft serial
63599
Aircraft time
29,400 hours, 14,879 cycles
Part
Support Rib
Part number
116A530138
Condition
Corroded
Location
Zone 600 Le
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

RIGHT WING LEADING EDGE AT OFSS STATION 308 WING LEADING EDGE SUPPORT RIB CORRODED. REMOVED AND REPLACED STATION 308 WING LEADING EDGE SUPPORT RIB IAW BOEING DWG 116A5300 REV. A. AND SRM 51-40-02.

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