# SDR SWAA2025071584051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2025
- Submitted: July 15, 2025
- Operation: Air carrier
- Aircraft: [N449WN](https://openairdocs.org/aircraft/N449WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32469
- Aircraft time: 71,625 hours, 42,908 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025071584051

## Discrepancy

CORROSION ON SEAT TRACK LBL 25 AT BS480+17; BS500A+8; BS500D+10.  VERIFIED APPLICABILITY PER SRM 53-00-52-1A-1.  REMOVED CORROSION ON SURFACE OF SEAT TRACK AT DISCREPANCY AREAS; WERE FOUND WITHIN LIMIT; PER SRM 53-00-52-1A-1; STEP 4A(2)(A); FIG 103; DETAIL A.  APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO THE REWORKED AREAS; PER SRM 51-20-01 AND SOPM 20-41-04.  THIS FAULT WILL BE ACCOMPLISHED ON CARD # TTG8Q0139M2K FOR SEAT TRACK REPLACEMENT. CORRECTIVE ACTION COMPLETED.

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