# SDR ASAA2019021128252

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2019
- Submitted: February 22, 2019
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 45,721 hours, 13,584 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550412
- Condition: Corroded
- Location: Fuselage
- 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/ASAA2019021128252

## Discrepancy

AFT WET AREA STA 947.5 HAS AREA OF CORR AT LBL 53. GROUNDED - YES. REPAIRED FLOORBEAM UPPER FLANGE IAW SRM 53 70 51 2R 5 W 1" O .180 R .138 L 1" D .042".

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