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 S23r
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 23R LOCATED BS 540 FWD CARGO COMPARTMENT ; 2021-356671 / [01] TOOL USED P/N :45 MG; S/N :130066401; CAL DUE DATE: 17-JUN-22; [02] TOOL USED EDDY CURRENT INSTRUMENT PN NORTEC 600D SN 60009161631 DUE DATE 01-DEC-21; [03] PERFORMED PERMANENT REPAIR LOC.ON STR 23R BTW BS 500D TO BS 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 DWG 143A1215 REV:D MATERIAL USED ALUMINUM SHEET P/N: 7075-T0-0.040 PO#: 2021 109926. ALUMINUM SHEET P/N: 7075-0.045 PO#: 2021 152098.; [04] PERFORMED PERMANENT REPAIR LOC.ON STR 23R BTW BS 500D TO BS 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 DWG 143A1215 REV:D MATERIAL USED ALUMINUM SHEET P/N: 7075-T0-0.040 PO#: 2021 109926. ALUMINUM SHEET P/N: 7075-0.045 PO#: 2021 152098... RII ITEM

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