# SDR UIEA2021041800922

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2021
- Submitted: May 18, 2021
- Operation: Air carrier
- Aircraft: [N429MC](https://openairdocs.org/aircraft/N429MC), registered now
- Make and model: Boeing 747481
- Aircraft serial: 24833
- Aircraft time: 107,390 hours, 16,170 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 2140 Rbl70
- 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/UIEA2021041800922

## Discrepancy

M/D STA 2140 RBL 70 FLOOR BEAM SUPPORT FOUND CORROSION.(<P>M/D STA 2140 RBL 70 FLOOR BEAM SUPPORT CORROSION AREA REWORKED AS PER SRM 53-00-52-1A-1.</P>)

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