# SDR SWAA2023041214357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2023
- Submitted: April 12, 2023
- Operation: Air carrier
- Aircraft: [N443WN](https://openairdocs.org/aircraft/N443WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29838
- Aircraft time: 65,630 hours, 38,789 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Seat Track
- Condition: Corroded
- Location: Zn 200 Fus Top
- 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/SWAA2023041214357

## Discrepancy

CABIN SEAT TRACK HAS INTERGRANULAR CORROSION BS 727B RBL 24.75. 8-67<[01] CABIN SEAT TRACK CORROSION AT BS 727B RBL 24.75 WAS FOUND OUT OF LIMITS AND WAS REPAIRED PER SRM 53-00-52-2R-5.;[02] VERIFIED WORKMANSHIP OF REPAIR PER LEADERSHIP DIRECTION.;[03] VERIFIED STEPS 1 AND 2

---
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.