# SDR SWAA2021040729414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2020
- Submitted: April 7, 2021
- Operation: Air carrier
- Aircraft: [N8657B](https://openairdocs.org/aircraft/N8657B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42535
- Aircraft time: 20,411 hours, 9,034 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2021040729414

## Discrepancy

AFT CARGO COMPARTMENT FLOOR PANEL 140DF CORRODED / EVALUATED CORROSION ON AFT CARGO COMPARTMENT FLOOR PANEL 140DF AND FOUND LENGTH OF ACCUMULATED CORROSION DAMAGE TO EXCEED THE 20' MAXIMUM ALLOWED OUT OF LIMITS IAW SRM 53-00-53-1A-1 FABRICATED NEW PANEL 140DF IAW AMM 25-52-01-201-801 AND BOEING DWG # 453A2610 REV B TREATED AND PRIMED IAW AMM 51-21-41-370-802 AND AMM 51-21-72-370-804 A TAG 66777

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