SDR SWAA2023013080075

Service difficulty report · Rib · Boeing 7377BD

Difficulty date: December 10, 2022
Submitted: January 30, 2023
Operation: Air carrier
Aircraft: N7744A
Make and model: Boeing 7377BD
Aircraft serial: 33931
Aircraft time: 51,253 hours, 26,798 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
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 IN LE STA 95.96 AT LT HORIZONTAL STABILIZER 2022-691463<[01] REPLACED LEADING EDGE RIB IN LE STA 95.96 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; 51-10-02 Ï¿½TEM 9 AND DWG 186A1001 REV. B. SEE INDIVIDUAL SIGNOFFS BELOW.;[02] REPLACED LEADING EDGE RIB IN LE STA 95.96 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; 51-10-02 Ï¿½TEM 9 AND DWG 186A1001 REV. B. RII;SEE INDIVIDUAL SIGNOFFS BELOW.

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