Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 10, 2026
Submitted
March 23, 2026
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
57,102 hours, 34,691 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

LH SIDE INTERCOSTAL CRACKED BTWN BS 294.5 & 303.9, STRINGER 16L. REPLACED THE INTERCOSTAL IAW SRM 51-40-02-0G-0, DWG 1418180, SHEET 22, 23, & 25, REV-, AMM 25-80-00-000-801, AMM 25-80-00-400-801, & AMM 51-21-91-620-802.

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