Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 4, 2025
Submitted
June 6, 2025
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
64,101 hours, 38,519 cycles
Part
Stringer
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
U
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

CRACK STRINGER 25R LOCATED STA540 FWD CARGO COMPARTMENT 2025-291242 <[01]. TOOL USED ULTRASONIC THICKNESS GAGE P/N : 45MG ; S/N : 1300 66401 ; DUE DATE: 21/OCT/25; [02] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE 16-JUL-25 WAS USED ON STEP 9; [03] PERFORMED PERMANENT REPAIR ON STRINGER 25R BTW BSTA 500C TO BSTA 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGN OFFS BELOW.; [04] PERFORMED PERMANENT REPAIR ON STRINGER 25R BTW BSTA 500C TO BSTA 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGN OFFS BELOW. RII COMPLETED.

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