Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
June 5, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N443WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
72,223 hours, 42,968 cycles
Part
Stringer
Condition
Cracked
Location
Zone 200
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

CRACK INDICATION NOTED AT STR 1 BETWEEN 767+6 AND 767+8(AFT OF WIFI DOUBLER) HIGHEST READING NOTED OF 58% FSH WITH PAINT. REMOVED AND REPAIRED DAMAGE AT STR 1 BETWEEN STA 767 + 6' AND 767 + 8' I/A/W EA 25-153-015510-WIP 1 THRU WIP3 AND EA 25-153-01510. REMOVED AND REPAIRED DAMAGE AT STR 1 BETWEEN STA 767 + 6' AND 767 + 8' IAW EA 25-153-01510-WIP 1 THRU WIP3 AND EA 25-153-01510.

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