# SDR SWAA2021052616702

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2020
- Submitted: May 26, 2021
- Operation: Air carrier
- Aircraft: N496WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32478
- Aircraft time: 54,479 hours, 32,341 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 887
- 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/SWAA2021052616702

## Discrepancy

***CORROSION*** ON AFT CARGO BAY FLOOR PANEL SUPPORT AT B.S. 887; L.B.L. 21 - R.B.L. 21; W.L. 154. / REMOVED ACB FLOOR PANEL SUPPORT AT BS 887 RBL21-LBL21 WL 154 IAW SRM 51-40-02-0G-0 LOCATED AND DRILLED NEW SUPPORT IAW SRM 51-40-05-0G-0 COUNTERSUNK IAW SRM 51-40-08-0G-0 AND INSTALLED IAW SOPM 20-50-01 AND BOEING DWG 146A7500 AND 147A7500 13656R 27SEP2020

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
