Service difficulty report · Rib · Boeing 7377Q8

Difficulty date
December 28, 2021
Submitted
February 14, 2022
Operation
Air carrier
Aircraft
N7866A
Make and model
Boeing 7377Q8
Aircraft serial
30648
Aircraft time
54,658 hours, 36,059 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
Stage of operation
IN
How discovered
9
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 LEADING EDGE RIB LOCATED LE STA 105.26 AT LT HORIZONTAL STABILIZER ; 2021-576026 / [01] REPLACED CHORD RIB LOCATED LEADING EDGE RIB; LE STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 AND DWG 186A1001 REV ?A?; DWG 186A1304 REV -; [02] REPLACED CHORD RIB LOCATED LEADING EDGE RIB; LE STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 AND DWG 186A1001 REV ?A?; DWG 186A1304 REV - SEE INDIVIDUAL SING OFF BELOW; [03] CORRECTED STEP 1 AND 2 REPLACED CHORD RIB LOCATED LEADING EDGE RIB; LE STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 AND DWG 186A1001 REV ?A?; DWG 186A1304 REV -; [04] CORRECTED STEP 3 REPLACED CHORD RIB LOCATED LEADING EDGE RIB; LE STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 AND DWG 186A1001 REV ?A?; DWG 186A1304 REV - SEE INDIVIDUAL SING OFF BELOW.; [05] REPLACED CHORD RIB LOCATED LEADING EDGE RIB; LE STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 AND DWG 186A1001 REV ?A?; DWG 186A1304 REV - SEE INDIVIDUAL SING OFF BELOW.<BR>RII

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