# SDR SWAA2021060428222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2020
- Submitted: June 4, 2021
- Operation: Air carrier
- Aircraft: [N8315C](https://openairdocs.org/aircraft/N8315C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38811
- Aircraft time: 26,646 hours, 11,735 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 947
- 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/SWAA2021060428222

## Discrepancy

PASSENGER CABIN FLOOR SUPPORT T-CAP AT STA 947 FROM LBL 12-RBL12 W/L 208 HAS AREAS OF CORROSION ON THE UPPER AND LOWER AFT FLANGE / EVALUATED CORROSION ON UPPER AND LOWER SURFACE STA ' 'STA 947; T-CAP; P/N 147A5504-29; LBL 12 TO RBL 12 ' 'AND WL 208; ORIGINAL THICKNESS .180' LOSS OF .045' ' 'REMAINING .135' FOUND TO BE OUT OF LIMITS IAW SRM ' '53-70-51-1A-1. REPAIRED T-CAP IAW EA 200180 IR AND ' 'SWA EA REPAIR-53EA-07848 P/N 147A5504-29

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