# SDR SWAA2021010637348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2020
- Submitted: January 6, 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
- Part number: 147A550429
- Condition: Corroded
- Location: Pax 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/SWAA2021010637348

## Discrepancy

PASSENGER COMPARTMENT FLOOR STRUCTURE WL 208.1 STA 947.5 LBL 53, FLOOR BEAM IS CORRODED.  REMOVED CORROSION AND VERIFIED LIMITS ON FLOOR BEAM AT STA 947.5 LBL 53 WL 208 ORIGINAL T .180 LOSS: .060 REMAINING T: .120 MAX LOSS ALLOWED .027 'OUT OF LIMITS', IAW SRM 53-70-51-1A-1 ACCOMPLISHED FLOOR BEAM REPAIR AT STA 947.5 FROM BL 0 TO LBL 68.6, IAW SRM 53-70-51-2R-5 P/N 147A5504-29.

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