Service difficulty report · Stringer Splice · Boeing 7377H4

Difficulty date
February 26, 2026
Submitted
March 30, 2026
Operation
Air carrier
Aircraft
N923WN
Make and model
Boeing 7377H4
Aircraft serial
36627
Aircraft time
57,855 hours, 35,265 cycles
Part
Stringer Splice
Condition
Corroded
Location
Zone 100
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

FOUND CORROSION IN THE E&E BAY, BS 361, WL 147, STRINGER 28L, INBD SIDE OF U SHAPE STRINGER SPLICE. R & R U STRINGER SPLICE BTWN BS 356 - 369, S28L IAW SRM 51-40-02, DWG:140A9101,0029;REV-, & DWG 140A9101,0032, REV-.

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