# SDR IPXA2026071336554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2026
- Submitted: July 15, 2026
- Operation: Air carrier
- Aircraft: [N453UP](https://openairdocs.org/aircraft/N453UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25474
- Aircraft time: 40,247 hours, 23,271 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146N5446
- 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/IPXA2026071336554

## Discrepancy

AFT CARGO AREA FLOOR PANEL STRUCTURE BTWN STA 1500-1520 RBL12 HAS CORROSION. REMOVED STRINGER IAW B757-200 SRM 51-40-02-0G. INSTALLED REPAIR CHANNEL ON FLOOR STRINGER BTW STA 1500-1520 RBL12 IAW B757-200 PF SRM 53-00-53-2R-1 PAR. 4L AND 4O. INSTALLED REPAIR CHANNEL ON FLOOR STRINGER AND STRINGER BTW STA 1500-1640 RBL12 IAW B757-200 SRM 53-00-53-2R-1 PAR.4L,M,N AND O.

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