# SDR SWAA2021011137346

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2020
- Submitted: January 12, 2021
- Operation: Air carrier
- Aircraft: [N8606C](https://openairdocs.org/aircraft/N8606C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 35964
- Aircraft time: 27,985 hours, 12,262 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Cabin
- 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/SWAA2021011137346

## Discrepancy

PASSENGER COMPARTMENT FLOOR STRUCTURE STA 947.5 WL 208.1 LBL 25 FLOOR BEAM IS CORRODED.  REMOVED CORROSION AND VERIFIED LIMITS ON FLOOR BEAM AT STA 947.5 LBL 25 WL 208 ORIGINAL T: .180 LOSS: .042 REMAINING T: .138 MAX LOSS ALLOWED .027.  OUT OF LIMITS, IAW SRM 53-70-51-1A-1 FLOOR BEAM REPAIR WAS ACCOMPLISHED ON NRC Y246183 P/N 147A5504-29.

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