# SDR SWAA2022072222742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2022
- Submitted: July 22, 2022
- Operation: Air carrier
- Aircraft: N773SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27881
- Aircraft time: 74,222 hours, 43,795 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Fwd Cargo Bay
- 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/SWAA2022072222742

## Discrepancy

CRACK STRINGER 26L ON BS 540 AT FWD CARGO COMPARTMENT 2022-382753 / [01] TOOL USED ULTRASONIC THICKNESS GAGE PN 45MG SN 130061901 DUE DATE 08-APR-23;[02] EDDY CURRENT EQUIPMENT P/N: NORTEC500D; S/N: N500X12101V022237; DUE DATE: 06-OCT-22.;[03] TOOL USED: CALIPER; PN: 500-197-30; SN: A21146102; DUE DATE: 16-OCT-22; PRECISION RADIUS GAUGE; PN: 2204A3; SN: AE-408651; DUE DATE: 24-FEB-23;[04] TOOL USED TEMPERATURE CONTROLLER P/N:P3015GOES00000;S/N:142811020;DUE DATE:02-FEB-23;P/N:P3015GOES00000;P/N:142811019;DUE DATE:02-FEB-23.;[05] PERFORMED REPAIR ON STRINGER 26L BTW. BSTA 500D. TO BSTA 520. AT FWD CARGO COMPARTMENT I.A.W B737-700 SRM 53-00-03-2R-1 REPAIR 1. AND SRM 51-40-02. SEE INDIVIDUAL SING OFFS STEP BELOW.;[06] TASK CARD COMPLETED <BR>RII

---
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.