# SDR SWAA2023090184593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2023
- Submitted: September 1, 2023
- Operation: Air carrier
- Aircraft: [N7832A](https://openairdocs.org/aircraft/N7832A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 30657
- Aircraft time: 58,272 hours, 36,697 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023090184593

## Discrepancy

CRACK STRINGER 25L LOCATED STA 540 FWD CARGO COMPARTMENT 2023-470107<[01] TOOL USED: ULTRASONIC THICKNESS GAGE. P/N: 35DL. S/N: 091419910. DUE DATE: 13-MAR-24.;[02] TOOL USED USED EDDY CURRENT FLAW DETECTOR PN: NORTEC 600D; SN: 60009161631 CAL DUE DATE: 31-JAN-24;[03] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-24.;[04] REPAIRED STRINGER 25L LOCATED BTW STA 500D TO STA 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 PARAGRAPH 4.SEE INDIVIDUAL SIGNOFFS BELOW;[05] REPAIRED STRINGER 25L LOCATED BTW STA 500D TO STA 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 PARAGRAPH 4.<BR>RII ACCOMPLISHED <BR>SEE INDIVIDUAL SIGNOFFS BELOW

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