SDR SWAA2022031065350

Service difficulty report · Rib · Boeing 737*

Difficulty date: January 28, 2022
Submitted: March 10, 2022
Operation: Air carrier
Aircraft: N458WN
Make and model: Boeing 737*
Aircraft serial: 33857
Aircraft time: 60,475 hours, 35,929 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: L/H Horiz. Stab.
Stage of operation: UK
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 LE STA 151.75 AT LT HORIZONTAL STABILIZER 2022-55315 / [01] REPLACED RIB AND FASTENERS LOC. LEADING EDGE LE STA 151.75 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 186A1001 REV. B. SEE INDIVIDUAL SING OFF BELOW;[02] REPLACED RIB AND FASTENERS LOC. LEADING EDGE LE STA 151.75 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 186A1001 REV. B. SEE INDIVIDUAL SING OFF BELOW