Service difficulty report · Stringer · Boeing 737752

Difficulty date
November 2, 2024
Submitted
December 5, 2024
Operation
Air carrier
Aircraft
N563WN
Make and model
Boeing 737752
Aircraft serial
34296
Aircraft time
52,215 hours, 34,621 cycles
Part
Stringer
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 25R LOCATED BS 540 AT FWD CARGO COMPARTMENT 2024-680398<[01] TOOL USED: UT EQUIPMENT. P/N: 45MG; S/N: 232017609; CAL DUE DATE: 08-OCT-25;[02] EQUIPMENT USED P/N: NORTEC 600D; S/N: 60009161631; DUE DATE: 11-MAR-25;[03] PERFORMED PERMANENT REPAIR ON STRINGER 25R BETWEEN BS 500C AND BS540 IAW SRM B737-700 SRM 53-00-03-2R-1; FIG 206. MATERIAL USED: [7] REPLACEMENT STRINGER SECTION; ALUMINUM SHEET 7075-T0-0.040IN; P.O: 2021 227845; [05] PERFORMED PERMANENT REPAIR ON STRINGER 25R BETWEEN BS 500C AND BS540 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1; FIG 206. MATERIAL USED: [7] REPLACEMENT STRINGER SECTION; ALUMINUM SHEET 7075-T0-0.040IN; P.O: 2021 227845; [2] REPAIR CHANNEL AND [3] REPAIR ANGLE WITH MATERIAL USED 7075-0.045 INCH; PO: 2023 280238. TOOL USED P/N 500-196-30 S/N A23329421 DUE DATE 22/FEB/25 RADIUS GAGE SET P/N 14145 S/N AE-408612 DUE DATE 10/ JUN/25.<BR><BR>RII ITEM<BR><BR>SEE INDIVIDUAL SIGNOFF BELOW