Service difficulty report · Rib · Boeing 7377H4

Difficulty date
December 6, 2021
Submitted
January 20, 2022
Operation
Air carrier
Aircraft
N422WN
Make and model
Boeing 7377H4
Aircraft serial
29826
Aircraft time
66,890 hours, 39,356 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK LEADING EDGE RIB LOCATED LE STA 77.93 AT LT HORIZONTAL STABILIZER (1 EA) ; 2021-557786 / [01] REPLACED LEADING EDGE RIB LOCATED LE STA 77.93 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 Ï¿½TEM 9; SRM 51-40-02 AND DWG 186A1001 REV. A; [02] REPLACED LEADING EDGE RIB LOCATED LE STA 77.93 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 Ï¿½TEM 9; SRM 51-40-02 AND DWG 186A1001 REV. A RII

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