Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 31, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N418WN
Make and model
Boeing 7377H4
Aircraft serial
29823
Aircraft time
71,436 hours, 42,247 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 26R LOCATED BS540 FWD CARGO COMPARTMENT 2023-361058<[01] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 25-JAN-24. TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811019 DUE DATE: 25-JAN-24.;[02] EDDY CURRENT EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022237; DUE DATE: 26-JAN-24.;[03] REPAIRED STRINGER 26R LOCATED BS540 FWD CARGO COMPARTMENT; STRINGER SECTION (1EA) MATERIAL USED IN CONDITION: T0 PN: 7075-T0-0.050 INCH PO#: 2023 170009; -3 ANGLE (2EA) -2 CHANNEL (1EA) MATERIAL USED IN CONDITION: T0 PN:7075-T0 0.045 INCH PO 2013 103861 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1; FIG 206 SHEET 2 AND DWG 143A3230 SHEET 86 REV -. SEE INDIVIDUAL SIGN OFF BELOW;[04] REPAIRED STRINGER 26R LOCATED BS540 FWD CARGO COMPARTMENT; STRINGER SECTION (1EA) MATERIAL USED IN CONDITION: T0 PN: 7075-T0-0.050 INCH PO#: 2023 170009; -3 ANGLE (2EA) -2 CHANNEL (1EA) MATERIAL USED IN CONDITION: T0 PN:7075-T0 0.045 INCH PO 2013 103861 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1; FIG 206 SHEET 2 AND DWG 143A3230 SHEET 86 REV -. SEE INDIVIDUAL SIGN OFF BELOW

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