Service difficulty report · Spar Web · Boeing 7377H4

Difficulty date
August 14, 2024
Submitted
September 23, 2024
Operation
Air carrier
Aircraft
N267WN
Make and model
Boeing 7377H4
Aircraft serial
32525
Aircraft time
57,915 hours, 34,799 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Web
Condition
Corroded
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

CORROSION ON LH WING REAR SPAR WEB AT UPPER END OF CUTOUT FOR #1 FUEL TANK AFT BOOST PUMP<[01] VERIFIED APPLICABILITY OF SRM 57-20-10-1A-3 PER STC ST00830SE;[02] VERIFIED CORRECTIVE ACTION ENTRY 1.;[03] REMOVED CORROSION ON LH WING REAR SPAR WEB AT UPPER END OF CUTOUT FOR #1 FUEL TANK AFT BOOST PUMP AND REPAIRED AREA IAW SRM 57-20-10-1A-3. SEE PREVIOUS STEPS TO VERIFY.;[04] VERIFIED CORRECTIVE ACTION ENTRY 3.

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