Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
July 17, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N902WN
Make and model
Boeing 7377H4
Aircraft serial
36615
Aircraft time
57,234 hours, 33,409 cycles
Part
Stringer
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

CORROSION ON STRINGER; S-28L END SPLICE IN BILGE AREA AFT OF E/E COMPARTMENT DOOR CUTOUT BS350+8 LBL10 WL140.<[01] REMOVED 2 FASTENERS ON REPORTED CORROSION AREA CLEAN AREA; REMOVED PROTECTIVE TREATMENT AND NOT CORROSION FOUND;[02] CORRECTION ITEM 1: REMOVED 2 FASTENERS ON REPORTED CORROSION AREA; REMOVED PROTECTIVE TREATMENT AND DAMAGE EVALUATED AND NOT CORROSION FOUND; INSTALLED 2EA FASTENERS AND RESTORED PROTECTIVE TREATMENT IAW SRM 51-10-02-0G; 51-40-02-0G-0 AND DWG 140A9101 REV:C.;[03] VERIFIED CORRECTIVE ACTION

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