# SDR SWAA2021071282559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2021
- Submitted: July 12, 2021
- Operation: Air carrier
- Aircraft: [N749SW](https://openairdocs.org/aircraft/N749SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29801
- Aircraft time: 74,742 hours, 43,712 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 540 S25r
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021071282559

## Discrepancy

CRACK STRINGER 25R LOCATED BS 540 FWD CARGO COMPARTMENT ; 2021-282246 / [01] TOOL USED PN/ 25DL PLUS; SN/ 071504410; DUE DATE/ 20NOV21; [02] TOOL USED CALIPER P/N 500-197-30 S/N A18135101 DUE DATE 04 JUL 21; [03] TOOL USED P/N NORTEC500D S/N N500X11290U021704 DUE DATE: 08-OCT-21.; [04] TOOL USED: RADIUS GAGE; P/N: 2204A3; S/N: AE-408651; DUE DATE: 02-FEB-22; [05] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112820023; DUE DATE: 22-JAN-22.; [06] PERFORMED REPAIR ON STRINGER 25R LOCATED BS 500C TO BS 540 FWD CARGO COMPARTMENT IAW SRM B737-700 53-00-03-2R-1 REPAIR 1 THIS REPAIR IS CATEGORY A; NO FURTHER ACTION OR RE-INSPECTION REQUIRED; [07] PERFORMED REPAIR ON STRINGER 25R LOCATED BS 500C TO BS 540 FWD CARGO COMPARTMENT IAW SRM B737-700 53-00-03-2R-1 REPAIR 1 THIS REPAIR IS CATEGORY A; NO FURTHER ACTION OR RE-INSPECTION REQUIRED; RII INSPECTION DONE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.