# SDR SWAA2021072122785

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2020
- Submitted: July 21, 2021
- Operation: Air carrier
- Aircraft: [N8653A](https://openairdocs.org/aircraft/N8653A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 37037
- Aircraft time: 20,453 hours, 8,984 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs947
- 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/SWAA2021072122785

## Discrepancy

CORROSION ON FLOOR SUPPORT AFT CARGO PIT AT STA 947 RBL 24 TO LBL 13; W/L 156 / FLOOR SUPPORT AT STA 947 HAS CORROSION ' OUT OF LIMITS' 090 MATERIAL LOSS ALLOWED ON AFT SUPPORT IAW SRM 51-10-02-0G-0 LOCATED AND DRILLED NEW FLOOR SUPPORT IAW SRM 51-40-05-0G-0 ALSO BOEING DWG 149A8117 REV - INSTALLED IAW SRM 51-40-02-0G-0 ALSO BOEING DWG 149A8117 CIC'ED AREA IAW AMM 51-21-91-620-802

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