Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
April 20, 2026
Submitted
May 21, 2026
Operation
Air carrier
Aircraft
N250WN
Make and model
Boeing 7377H4
Aircraft serial
34972
Aircraft time
64,577 hours, 39,254 cycles
Part
Stringer
Condition
Cracked
Location
Zone 500
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

CRACKED STRINGER 9 INTERNAL AREA FUEL TANK UPPER POSITION, BTW RIB 21 AND RIB 22 AT LT WING. PERFORMED REPAIR ON STRINGER 9 INTERNAL LT WING FUEL TANK UPPER POSITION IAW EA- 26-157-01136-WIP1 AND EA- 26-157-01136-WIP2.

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