# SDR SWAA2021101830331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2021
- Submitted: October 18, 2021
- Operation: Air carrier
- Aircraft: [N969WN](https://openairdocs.org/aircraft/N969WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 41777
- Aircraft time: 32,404 hours, 19,718 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Seat Track
- Condition: Corroded
- Location: Fuselage
- Stage of operation: UK
- 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/SWAA2021101830331

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK AT LBL 45.5. WL 208.1, BS 540+18 - 559,  639+8, 663 - 663+11, 685 - 706,  716 - 727+8, AND 727A - 727B.    COMPLETED ALL STEPS VERIFIED PARTIAL STEPS 1-6. APPLIED A CHEMICAL CONVERSION COATING AND ONE LAYER OF EPOXY PRIMER TO REWORKED AREAS IAW SRM 51-20-01 AND SOPM 20-41-04 VERIFIED STEPS 1-6 AND CORRECTIVE ACTION 3

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