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 S26r
Stage of operation
IN
How discovered
V
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 26R LOCATED BS 540 FWD CARGO COMPARTMENT ; 2021-356670 / [01] TOOL USED PN: NORTEC 600D; SN: 210138503; CAL DUE DATE: 05-MAR-22; [02] TOOL USED: RADIUS GAGE P/N 2204A3; S/N: 408651; DUE DATE: 02FEB22.; [03] PERFORMED PERMANENT REPAIR ON STRINGER 26R LOCATED BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND DRAWING 143A0060 REV. A MATERIAL USED ALUMINUM SHEET P/N: 7075-T0-0.050 PO# 2021 139514; ALUMINUM SHEET P/N: 7075-T0-0.045 PO# 2021 152098.; [04] CORRECTED STEP 3: PERFORMED PERMANENT REPAIR ON STRINGER 26R LOCATED BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND DRAWING 143A0060 REV. A MATERIAL USED ALUMINUM SHEET P/N: 7075-T0-0.050 PO# 2021 139514; ALUMINUM SHEET P/N: 7075-T0-0.045 PO# 2021 152098.; [05] CERTIFIED RII MAJOR REPAIR PERFORMED.

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