# SDR SWAA2021080305887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2020
- Submitted: August 3, 2021
- Operation: Air carrier
- Aircraft: [N8646B](https://openairdocs.org/aircraft/N8646B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36935
- Aircraft time: 21,285 hours, 9,355 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021080305887

## Discrepancy

AFT PIT FLOOR PANEL 140DF; UPPER INBD & OTBD EDGES; CORROSION; MRK'D. / EVALUATED CORROSION ON AFT PIT FLOOR PANEL 140DF UPPER INBD & OTBD EDGES TOTAL ACCUMULATED DAMAGE EXCEEDED 20' MAXIMUM ALLLOWED - OUT OF LIMITS. FABRICATED NEW PANEL 140DF IAW AMM 25-52-01-201-801 AND BOEING DWG 453A2610 REV B ATAG A67755

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