# SDR SWAA2023032004172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N8664J](https://openairdocs.org/aircraft/N8664J), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36649
- Aircraft time: 26,931 hours, 12,623 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- 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/SWAA2023032004172

## Discrepancy

***CORROSION**AFT CARGO THRESHOLD HAS EXFOLIATED CORROSION AT STA 827+6' RBL 27 AND WATER LINE 156.4<[01] ALL STEPS COMPLETED.

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