# SDR SWAA2021072797531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2021
- Submitted: July 27, 2021
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 58,733 hours, 34,620 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 767
- 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/SWAA2021072797531

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK AT B.S. 767+15; L.B.L. 45; W.L. 208.1.  REMOVED CORROSION,  REWORKED AREA L=8' W=1' D=0.015' WAS FOUND WITHIN THE LIMITS IAW SRM 53-00-52-1A-1 STEP 4 A(2)A FIG.103.   APPLIED A CHEMICAL CONVERSION COATING & ONE LAYER OF ALUMINIZED EPOXY PRIMER TO THE REWORKED AREAS IAW SRM:51-20-01 AND SOPM:20-41-04.

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