SDR SWAA2022030776966

Service difficulty report · Rib · Boeing 737*

Difficulty date: February 24, 2022
Submitted: March 7, 2022
Operation: Air carrier
Aircraft: N235WN
Make and model: Boeing 737*
Aircraft serial: 34630
Aircraft time: 53,482 hours, 32,044 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: L/H Horiz. 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

LEFT HORIZONTAL STAB L/E RIB AT STA 78.29 CRACK. / [01] REMOVED RIB AT L/H HORIZONTAL STAB L/E STA 78.29 AS PER REF B737-700 SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED REPLACEMENT RIB REF B737 SRM 51-40-05-0G-0. WORK PERFORMED BY EMPL 33451.;[03] VERIFIED STEPS 1 AND 2.;[04] OK TO INSTALL RIB AT L/H HORIZONTAL STAB L/E STA 78.29.;[05] INSTALLED LT HORIZONTAL STAB L/E STA 78.29 RIB AS PER B737-700 SRM 51-40-02-0G-0;[06] VERIFIED STEP 5.