# SDR SWAA2021081806708

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N208WN](https://openairdocs.org/aircraft/N208WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29856
- Aircraft time: 52,294 hours, 30,932 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 727b-727c
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021081806708

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK BS727B - BS727C RBL45 WL208.  REMOVED CORROSION ON PASSENGER CABIN SEAT TRACK,  REWORKED AREA L=19' W=1' MAX MATERIAL LOSS= 0.013' WAS FOUND WITHIN THE LIMIT IAW SRM:53-00-52-1A-1 STEPS:4.A(2)A FIG.103.   APPLIED A CHEMICAL CONVERSION COATING AND ONE LAYER OF ALUMINIZED EPOXY PRIMER TO REWORKED AREA IAW SRM 51-20-01 AND SOPM 20-41-04.

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