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 S25l
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 25L LOCATED BS 540 FWD CARGO COMPARTMENT ; 2021-356675 / [01] TOOL USED PN: NORTEC 600D; SN: 210138503; CAL DUE DATE: 05-MAR-22; [02] TOOL USED PN: 25DLPLUS SN: 071504410; DUE DATE: 20-NOV-21; [03] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 21-JAN-22.; [04] PERFORMED PERMANENT REPAIR ON STR 25L LOC. BTW BS 500D TO BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND SRM 51-40-02-0G-0 DWG 143A1215 SHEET 2 REV: D. MATERIAL USED ALUMINUM SHEET PN 7075-T0-0.050 P.O 2021 139514 AND ALUMINUM SHEET PN 7075-T0-0.045 P.O 2021 152098; [05] CERTIFIED RII MAJOR REPAIR PERFORMED.

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