# SDR SWAA2021111129710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2021
- Submitted: November 11, 2021
- Operation: Air carrier
- Aircraft: [N757LV](https://openairdocs.org/aircraft/N757LV), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29850
- Aircraft time: 74,896 hours, 43,938 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021111129710

## Discrepancy

CRACK STRINGER 25R AT BS 540 FWD CARGO COMPARTMENT ; 2021-461921 / [01] TOOL USED: ULTRASONIC EQUIPMENT: P/N: 45 MG; S/N: 130064101 DUE DATE: 11-MAR-22; [02] TOOL USED EDDY CURRENT PN/ NORTEC 600D; SN/60009161631; DUE DATE/ 01DEC21; [03] TOOL USED PRECISION RADIUS GAUGE P/N: 2204A3 ; S/N: AE-408657 DUE DATE : 02-NOV-21; [04] TOOL USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 142811020 DUE DATE: 21-JAN -22; [05] PERFORMED PERMANET REPAIR ON STRINGER 25R BETWEEN BS 500C AND BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG # 143A3230 REV :-. SEE INDIVIDUAL SIGNOFFS BELOW.; [06] PERFORMED PERMANENT REPAIR ON STRINGER 25R BETWEEN BS 500C AND BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG # 143A3230 REV :-. SEE INDIVIDUAL SIGNOFFS BELOW.; [07] PERFORMED PERMANENT REPAIR ON STRINGER 25R BETWEEN BS 500C AND BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG # 143A3230 REV :-. SEE INDIVIDUAL SIGNOFFS BELOW. RII

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