SDR SWAA2022031465321

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
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Fuselage
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

CORROSION STRINGER 26L WL 150.5 LBL 17 STA 540 FWD CARGO COMPARTMENT 2022-67663 / [01] TOOL USED DIGITAL CALIPER P/N: DIGITAL 150 S/N:AE-412601 DUE DATE: 31-MAY-22;[[09] CORRECTED STEP 6. <BR>PERFORMED PERMANENT REPAIR ON STRINGER 26L WL 150.5 LBL 17 STA 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206. AND DWG 143A3230 REV : ? MATERIAL USED 7075-T0/0.045? PO 2021 177987 1 AND 7075- T0/0.050? PO 2021 139514 1 SEE INDIVIDUAL SIGN-OFFS BELOW.