Service difficulty report · Stringer · Boeing 737*

Difficulty date
January 30, 2022
Submitted
March 14, 2022
Operation
Air carrier
Aircraft
N426WN
Make and model
Boeing 737*
Aircraft serial
29830
Aircraft time
65,548 hours, 38,878 cycles
Part
Stringer
Condition
Cracked
Location
Aft Cargo
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 STRINGER 24L STA 540 FWD CARGO COMPARTMENT 2022-67661 / [01] TOOL USED DIGITAL CALIPER P/N: DIGITAL 150 S/N:AE-412601 DUE DATE: 31-MAY-22;[02] ULTRASONIC THICKNESS GAGE USED P/N: 45 MG S/N: 130066401 DUE DATE: 17-JUN-22.;[03] TOOL USED PN NORTEC 600D SN 200048001 DUE DATE 24-FEB-22;[04] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 02-FEB-23.;[05] PERFORMED PERMANENT REPAIR ON STRINGER 24L STA 540 FWD CARGO COMPARTMENT IAW B737-700 53-00-03-2R-1 REPAIR 1 FIGURE 207 MATERIAL USED P/N: 7075T0/0.045? PO:2021-177987; 7075T0/0.050? PO: 2021-139514 SEE INDIVIDUAL SING-OFF STEP BELOW.;[06] PERFORMED PERMANENT REPAIR ON STRINGER 24L STA 540 FWD CARGO COMPARTMENT IAW B737-700 53-00-03-2R-1 REPAIR 1 FIGURE 207 MATERIAL USED P/N: 7075T0/0.045? PO:2021-177987; 7075T0/0.050? PO: 2021-139514 SEE INDIVIDUAL SING-OFF STEP BELOW RII