Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 10, 2025
Submitted
September 15, 2025
Operation
Air carrier
Aircraft
N904WN
Make and model
Boeing 7377H4
Aircraft serial
36616
Aircraft time
57,229 hours, 34,462 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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

RIGHT HORIZONTAL STAB REMOVABLE L/E 341B RIB NR 4 IS CRACKED. REMOVED AND REPLACED RIB NR 4 IAW SRM 51-40-02 & DWG 186A1001.

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