# SDR SWAA2024090521548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2024
- Submitted: September 5, 2024
- Operation: Air carrier
- Aircraft: [N494WN](https://openairdocs.org/aircraft/N494WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33868
- Aircraft time: 65,251 hours, 39,171 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Zone 100
- 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/SWAA2024090521548

## Discrepancy

CORROSION STRINGER 19L LOCATED BS 827 PLUS 2INCH AND WL190 AT AFT CARGO COMPARTMENT 2024-473154<[01] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N: 45MG; S/N: 221860711; CAL DUE DATE: 21-NOV-24;[02] TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC 50D; SN:N500X1693P030456; DUE DATE: 14-APR-25.;[03] TOOL USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 23-JAN-25. TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 23-JAN-25.;[04] OK TO INTALL SIDEWALL ANGLE AND FASTENERS LOC. BTW BS 787 TO BS 847 AT AFT CARGO COMPARTMENT. GRANTED;[05] REPAIRED STRINGER 19L LOCATED BTW BS 827 TO BS 867 AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 .SEE INDIVIDUAL SIGNOFF BELLOW;[06] REPAIRED STRINGER 19L LOCATED BTW BS 827 TO BS 867 AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 .SEE INDIVIDUAL SIGNOFF BELLOW<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.