Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
May 17, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N248WN
Make and model
Boeing 7377H4
Aircraft serial
32509
Aircraft time
53,726 hours, 32,221 cycles
Part
Stringer
Condition
Cracked
Location
Fwd Cargo Bay
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 2022-284013 / [01] TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC500D; SN: N500X12101V022235; DUE DATE: 03 JUN 22.;[02] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 02-FEB-23.;[03] TOOL USED CALIPER P/N 500-197-30 S/N A21147759 CAL DUE DATE 15 OCT 22. RADIUS GAGE P/NS167C S/N AE-28530 CAL DUE DATE 26 FEB 23.;[04] PERFORMED PERMANENT REPAIR ON STRINGER 23L LOCATED BS540 FWD CARGO COMPARTMENT IAW SRM B737-700 53-00-03-2R-1 REPAIR 1. MATERIAL USED: ALUMINUM SHEET 7075-T0 0.036? PO: 2021 131796 ( CONVERTER TO 7075 T6); CHANNEL BAC1493-249 PO: 2021 147833 ; ANGLES (2E/A) BAC1493-659 PO: 2021 149606 SEE INDIVIDUAL SING OFF BELOW.;[05] PERFORMED PERMANENT REPAIR ON STRINGER 23L LOCATED BS540 FWD CARGO COMPARTMENT IAW SRM B737-700 53-00-03-2R-1 REPAIR 1. MATERIAL USED: ALUMINUM SHEET 7075-T0 0.036? PO: 2021 131796 ( CONVERTER TO 7075 T6); CHANNEL BAC1493-249 PO: 2021 147833 ; ANGLES (2E/A) BAC1493-659 PO: 2021 149606 SEE INDIVIDUAL SING OFF BELOW. COMPLETED RII

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