# SDR IPXA2025101372331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2025
- Submitted: October 20, 2025
- Operation: Air carrier
- Aircraft: [N457UP](https://openairdocs.org/aircraft/N457UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25478
- Aircraft time: 38,076 hours, 22,607 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 144N800774
- Condition: Corroded
- 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/IPXA2025101372331

## Discrepancy

MAIN CARGO COMPARTMENT FLOORBEAM STA 1100 RBL 25-45 HAS (4EA) AREAS WITH CORROSION. DOT 28-712. REMOVED CORROSION ON 4 AREAS IAW SRM 51-10-02. ACCOMPLISHED A DVI IAW SRM 51-10-08 AND FOUND NO MORE DAMAGE.  AFTER THE 2ND EVALUATION PERFORMED AREA WAS RESTORED AND NO MORE ASSISTANCE AND MAINTENANCE ACTION REQUIRED DUE TO DAMAGE STILL WITHIN LIMITS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.