# SDR ASAA2020032532547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2020
- Submitted: March 25, 2020
- Operation: Air carrier
- Aircraft: [N546AS](https://openairdocs.org/aircraft/N546AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30022
- Aircraft time: 54,966 hours, 18,847 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A550419
- 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/ASAA2020032532547

## Discrepancy

FLOOR BEAM 947 HAS COROSION AT BL0. GROUNDED - YES. CORROSION FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1, REPAIRED DAMAGE TO FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-8W: 1 O: .190 R: .157 L: 2 D: .033.

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