# SDR SWAA2021111944947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2021
- Submitted: November 19, 2021
- Operation: Air carrier
- Aircraft: [N475WN](https://openairdocs.org/aircraft/N475WN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 32474
- Aircraft time: 58,806 hours, 34,711 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Panel
- 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/SWAA2021111944947

## Discrepancy

FUEL PANEL 532QB HAS FRETTING CORROSION AT RING MATTING SURFACE.  REMOVED DAMAGE AND EVALUATED MATERIAL LOSS TO BE .007'; ORIG .275'; REMAINING .268' IAW SRM 57-20-01-2R-1.  ROTO PEENED FUEL PANEL IAW SRM 57-20-01-2R-1 4H.  RESTORED FINISH ON FUEL PANEL 532QB IAW SRM 57-20-01-2R-1. 4J-K.

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