Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
August 2, 2021
Submitted
September 20, 2021
Operation
Air carrier
Aircraft
N410WN
Make and model
Boeing 7377H4
Aircraft serial
27897
Aircraft time
66,797 hours, 39,221 cycles
Part
Stringer
Condition
Cracked
Location
Bs 540 S26l
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

CRACK STRINGER 26L LOCATED BS 540 FWD CARGO COMPARTMENT ; 2021-356673 / [01] TOOL USED P/N: 45MG ; S/N: 130066401; CAL DUE DATE: 17-JUN -21; [02] TOOL USED PN: NORTEC 600D; SN: 210138503; CAL DUE DATE: 05-MAR-22; [03] PERFORMED PERMANENT REPAIR LOC. ON STR 26L BS 500D TO 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND DWG 143A1215 REV:D. MATERIAL USED: ALUMINUM SHEET P/N: 7075-T0-0.045; PO: 2021 152098 AND ALUMINUM SHEET P/N: 7075-T0-0.050; PO: 2021 139514; [04] TOOL USED P/N: 45MG ; S/N: 130066401; CAL DUE DATE: 17-JUN-22; [05] TASK CARD COMPLETED <BR>RII

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