# SDR IPXA2025031265344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2025
- Submitted: April 10, 2025
- Operation: Air carrier
- Aircraft: [N473UP](https://openairdocs.org/aircraft/N473UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28846
- Aircraft time: 25,469 hours, 16,974 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: UP5330710114
- Condition: Eroded
- Location: Zone 200
- 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/IPXA2025031265344

## Discrepancy

FS 900 BL 0 TO RBL 72 HAS CHAFING ON T-CHORD AND PAINT ERODED AWAY.  INSTALLED 1EA OUTER CHORD & 8EA SPLICE IAW SRM B757-200 TASK: 51-40-02.   REVIEWED

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