Service difficulty report · Rib · Boeing 7377H4

Difficulty date
January 19, 2026
Submitted
February 17, 2026
Operation
Air carrier
Aircraft
N458WN
Make and model
Boeing 7377H4
Aircraft serial
33857
Aircraft time
72,334 hours, 43,392 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

CRACKED INSPAR RIB LOCATED STAB STA 101.90 AND 28INCH FROM FRONT SPAR AT LT HORIZONTAL STAB. PERFORMED GENERAL VISUAL INSPECTION ON INSPAR RIB LOCATED STAB STA 101.90 AND 28 INCH FROM FRONT SPAR AT LT HORIZONTAL STAB AND NOT FOUND DAMAGE IAW SRM 51-10-02-0G-0.

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