Service difficulty report · None · Boeing 737

Difficulty date
November 6, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N909WN
Make and model
Boeing 737
Aircraft serial
32458
Aircraft time
45,975 hours, 27,620 cycles
Part
None
Condition
Cracked
Location
Lh Hor 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

SUPPLEMENTAL INFORMATION: LH HORIZONTAL STAB RIB AT STAB STA.110.10 HAS A CRACKED #4 RIB STIFFENER.(VERIFIED BY HFEC ; / [01] REMOVED DAMAGE PER SRM 55-10-09-2R-4; [02] C/W INSPECTION; [03] C/W HFEC SURFACE INSPECTION AFTER VERTICAL STIFFENER REMOVAL PER NDT PART 6 51-00-00 PROC. 23 NO DEFECTS NOTED; [04] DRILLED REPAIR PARTS FROM KIT PER SRM 55-10-09-2R-4.; [05] INSPECTION COMPLETE ON CORRECTIVE ACTION #4.. OK TO TO INSTALL REPAIR PARTS.; [06] INSTALLED REPAIR AT STA 111.10 RIB #4 PER SRM 55-10-09-2R-4.; [07] INSPECTION COMPLETE ON INSTALLED REPAIR AT STA 111.10 RIB STIFFNER#4 PER SRM 55-10-09-2R-4.; [08] PARTS DATA UPDATE ONLY; [09] INSTALLED REPAIR AT STA 111.10 RIB #4 PER SRM 55-10-09-2R-4.; [10] INSPECTION COMPLETE ON INSTALLED REPAIR AT STA 111.10 RIB STIFFNER#4 PER SRM 55-10-09-2R-4.