Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
August 24, 2026
Submitted
September 11, 2026
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
56,214 hours, 34,452 cycles
Part
Intercostal
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

MAIN CABIN FWD WET AREA, LT SIDE, STRUCTURE INTERCOSTAL HAS A CRACK BETWEEN BS 294.5 AND 303.9, STR 16L. REQUIRES RII BUYBACK MAIN CABIN FWD WET AREA LT SIDE, STRUCTURE INTERCOSTAL HAS A CRACK BETWEEN BS 294.5 & 303.9, STR 16L.

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