Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 21, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N220WN
Make and model
Boeing 7377H4
Aircraft serial
32491
Aircraft time
64,118 hours, 38,459 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
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 ON INTERCOSTAL LOCATED BTW BS 685 TO BS 706 AT LEVEL STR 14R AT PASSENGER CABIN. REPLACED WEB INTERCOSTAL LOCATED BTW BS 685 TO BS 706 AT LEVEL STR 14R AT PASSENGER CABIN I.A.W B737-700 SRM 51-10-02-0G-0 PARAGRAPH 9; B737-700 SRM 51-40-02-0G-0 AND DWG 144A7500 SHEET: 6 REV: A.

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