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SDR SWAA2021110322681

Open the Markdown

Service difficulty report · None · Boeing 737*

FAA SDR system

Difficulty date
September 22, 2021
Submitted
November 3, 2021
Operation
Air carrier
Aircraft
N793SA
Make and model
Boeing 737*
Aircraft serial
27888
Aircraft time
67,300 hours, 39,722 cycles
System (JASC)
5511 · Horizontal Stabilizer, Spar/Rib
Part
None
Condition
Cracked
Location
R/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

RIGHT HORIZONTAL STABILIZER LEADING EDGE PANEL #341B; INTERNAL RIB LE STA 95.96 (RIB #3) BOTTOM EDGE RIVET HOLE CRACK NOTED. ; / [01] MATCH DRILLING NEW INTERNAL RIB L/E AT RIGHT HORIZONTAL STABILIZER L/E. PANEL #341B STA. 95.96 [RIB #3] IAW. B-737-700 SRM.51-40-05-0G-0; [02] LATE ENTRY REMOVED DAMAGE INTERNAL RIB #3 AT RIGHT HORIZONTAL STABILIZER L/E. PANEL #341B STA. 95.96 IAW. B-737-700 SRM. 51-40-02-0G-0; [03] VERIFIED 1-2. OK TO INSTALL NEW RIB.; [04] INSTALLED NEW INTERNAL RIB #3 AT RIGHT HORIZONTAL STABILIZER L/E. PANEL #341B STA.95.96 IAW. B-737-700 SRM 51-40-02-0G-0 AND DWG #186A1001; [05] VERIFIED STEP 4.