Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
October 10, 2025
Submitted
November 11, 2025
Operation
Air carrier
Aircraft
N908WN
Make and model
Boeing 7377H4
Aircraft serial
36620
Aircraft time
57,715 hours, 34,816 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100
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 WEB - INTERCOSTAL BTW BS 727A - 727B, LBL 24. REPLACED WEB - INTERCOSTAL AND FASTENERS IAW SRM 51-40-02-0G-0, SRM 51-10-02-0G-0, PARAGRAPH 9, DRAWING 146A7502, SHEET 27, REV -, AND DRAWING 146A7500, SHEET 116, REV -.

More about the Boeing 737-7H4