Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 23, 2025
Submitted
May 19, 2025
Operation
Air carrier
Aircraft
N437WN
Make and model
Boeing 7377H4
Aircraft serial
29832
Aircraft time
72,622 hours, 43,135 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

L/H HORIZONTAL STAB REMOVABLE L/E; 7TH RIB FROM I/B END IS CRACKED<[01] REMOVED AND REPLACED 7TH RIB FROM I/B END ON L/H HORIZONTAL STAB. REMOVABLE L/E IAW SRM 51-40-02-0G-0 PARA.4.;[02] CORRECTED MEASUREMENT TABLE.;[03] CORRECTIVE ACTION ITEM 1 VERIFIED; CARD COMPLETE.

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