Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 17, 2026
Submitted
July 1, 2026
Operation
Air carrier
Aircraft
N929WN
Make and model
Boeing 7377H4
Aircraft serial
36631
Aircraft time
58,054 hours, 35,506 cycles
Part
Intercostal
Condition
Corroded
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

CORRODED FLOOR SUPPORT AT BS 294 - 312, LBL 11, WL 208. REMOVED AND REPLACED THE INTERCOSTAL IAW SRM 51-40-02-0G-0, DWG 141A5600, SHEET 1, REV N, AND DWG 141A5600, SHEET 2, REV N.

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