# SDR SWAA2022031657590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2019
- Submitted: March 16, 2022
- Operation: Air carrier
- Aircraft: [N904WN](https://openairdocs.org/aircraft/N904WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36616
- Aircraft time: 40,386 hours, 24,069 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Seat Track
- Condition: Corroded
- Location: Flight Deck
- 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/SWAA2022031657590

## Discrepancy

***CORROSION*** FIRST OFFICER'S FWD INBOARD AND OUTBOARD SEAT TRACKS HAVE CORROSION / REMOVED AND REPLACED FO'S FWD INBOARD AND OUTBOARD SEAT TRACKS IAW AMM 25-11-11-400-801 STEPS 3.D.(2)(3)(D)(4-8) AND SOPM 20-50-01 56572U 06SEPT19 PRIOR TO REPLACEMENT OF FO'S SEAT TRACKS; EVALUATED PER AMM 25-11-11-601; FOUND NO AMM LIMITS FOR CORROSION.

---
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.