# SDR IPXA2026052719547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2026
- Submitted: June 11, 2026
- Operation: Air carrier
- Aircraft: [N423UP](https://openairdocs.org/aircraft/N423UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25325
- Aircraft time: 36,345 hours, 23,701 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Splice Plate
- Part number: 143N875021
- 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/IPXA2026052719547

## Discrepancy

MAJOR REPAIR,  MAIN DECK FLOOR STRUCTURE, SHEAR SPLICE PLATE HAS EXFOLIATED CORROSION, UNDERNEATH PANEL 231XFF FROM BSTA 500 TO BSTA 540 AT LBL 45.5.  ACCOMPLISH REPAIR IN ACCORDANCE WITH EO-97569-REQ1 AND VT-MAE EA 757-5330-27-A4496 REV.

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