# SDR IPXA2026043042676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2026
- Submitted: May 1, 2026
- Operation: Air carrier
- Aircraft: [N454UP](https://openairdocs.org/aircraft/N454UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25475
- Aircraft time: 43,406 hours, 22,422 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146N544713
- Condition: Corroded
- Location: Zone 100
- 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/IPXA2026043042676

## Discrepancy

AFT CARGO COMPARTMENT FLOOR STRINGER HAS CORROSION APPROX BTW BS 1445 AND BS 1497.5, LBL 7.55. REMOVED 1EA DAMAGED FLOOR STRINGER IN AFT CARGO COMPARTMENT BTW BS 1445 AND BS 1497.5, LBL 7.55 REF SRM 51-40-02-0G-0. INSTALLED NEW REPLACEMANT STRINGER  AT BTW BS 1445 AND BS 1497.5, LBL 7.55 IAW SRM 51-40-02-0G-0.

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