# SDR SWAA2021072116184

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2020
- Submitted: July 21, 2021
- Operation: Air carrier
- Aircraft: [N8652B](https://openairdocs.org/aircraft/N8652B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36971
- Aircraft time: 20,887 hours, 9,203 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 500i Lbl20-24
- Stage of operation: IN
- 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/SWAA2021072116184

## Discrepancy

FWD PIT STA 500I LBL20 TO RBL24 LATERAL FLOOR SUPPORT UPR SURFACE CORRODED AT WL157 / REMOVED AND REPLACED BULKHEAD SUPPORT RAIL AT STA 500I IN FWD CARGO COMPARTMENT IAW SRM 51-40-02-0G-0 AND BOEING DWG# 143A7902 REV B WN4269

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