# SDR IPXA2026072706770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: July 28, 2026
- Operation: Air carrier
- Aircraft: [N455UP](https://openairdocs.org/aircraft/N455UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25476
- Aircraft time: 46,102 hours, 22,631 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146N544716
- 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/IPXA2026072706770

## Discrepancy

AFT CARGO BAY FLOOR SUPPORT HAS CORROSION ON MULTIPLE AREAS APPROX BTWN BS 1440 AND BS 1500, RBL 16.10,  VERIFIED REMOVAL OF FLOOR SUPPORT ON STEP 3.  INSTALLED 1EA CHANNEL AT AFT CARGO COMPARMENT FLOOR STRINGER BTW BS 1440 & BS 1500 RBL. IAW SRM 53-00-53-2R-1 REPAIR 1, AND SRM 51-40-02-0G-0.

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