Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 31, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N223WN
Make and model
Boeing 7377H4
Aircraft serial
32492
Aircraft time
53,092 hours, 31,519 cycles
Part
Stringer
Condition
Cracked
Location
Bs 540 S23l
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 23L LOCATED BS540 FWD CARGO COMPARTMENT ; 2021-252570 / [01] TOOL USED: CALIPER P/N 500-752-10; S/N 15183542; DUE DATE 04-OCT-21; [02] TOOL USED: P/N: NORTEC 600 D; S/N: 210138103; DUE DATE: 05-MAR-22.; [03] TOOL USED: P/N: NORTEC 600 D; S/N: 210138103; DUE DATE: 05-MAR-22.; [04] TOOL USED: RADIUS GAUGE P/N S167C; S/N AE-27308; DUE DATE 20-AUG-21; [05] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112031023 DUE DATE: 22-JAN-22.; [06] TOOL USED: CALIPER P/N 500-197-30; S/N A18135102; DUE DATE 02-JAN-22.; [07] PERFORMED PERMANENT REPAIR ON STRINGER 23L LOC. BTW BS 500D TO BS 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND DRAWING DRAWINGS 143A3230 SHEET 121 REV. A. MATERIAL USED: ALUMINUM SHEET P/N 7075-T0-0.036 P.O. 2021 131796; EXTRUSIONS P/N BAC1493-659 P.O. 2021 135314; BAC1493-249 P.O. 2021 147287.; [08] PERFORMED PERMANENT REPAIR ON STRINGER 23L LOC. BTW BS 500D TO BS 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 FIGURE 206 AND DRAWING DRAWINGS 143A3230 SHEET 121 REV. A. MATERIAL USED: ALUMINUM SHEET P/N 7075-T0-0.036 P.O. 2021 131796; EXTRUSIONS P/N BAC1493-659 P.O. 2021 135314; BAC1493-249 P.O. 2021 147287. (THIS REPAIR IS CATEGORY A )<BR>RII

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