# SDR SWAA2020050141135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2020
- Submitted: May 1, 2020
- Operation: Air carrier
- Aircraft: [N475WN](https://openairdocs.org/aircraft/N475WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32474
- Aircraft time: 54,947 hours, 32,366 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Support Angle
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2020050141135

## Discrepancy

FWD CARGO COMPARTMENT AFT BULKHEAD LT CIRCUNFERENTIAL FLANGE SUPPORT ANGLE AT STA 5OOD SHOWS HAVING CORROSION AT THE I/B END. DOT 82-042. / REMOVED AND REPLACED AFT BULKHEAD CIRCUNFERENTIAL FLANGE SUPPORT ANGLE (OR RAIL) AT FWD CARGO COMPARTMENT STA 500D LEFT SIDE IRW B737-700 SRM 51-40-02-0G-0 / 51-40-05-0G-0 / 53-00-53-1A-2 AND DRWG #143A9481

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