# SDR IPXA2026092825914

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2026
- Submitted: October 2, 2026
- Operation: Air carrier
- Aircraft: [N444UP](https://openairdocs.org/aircraft/N444UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27389
- Aircraft time: 32,663 hours, 21,127 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: 311N504652
- Condition: Corroded
- Location: Zone 400
- 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/IPXA2026092825914

## Discrepancy

***MAJOR REPAIR*** FAULT-400-STR- #2 ENGINE NACELLE PYLON STRUT, OUTBD INNER SKIN, FWD OF THE VENT PANEL OPENING HAS CORROSION AT SEAM OF FRAME, MAY BE UNDER THE PREVIOUS REPAIR. DOT 8-002. REMOVED EXISTING REPAIR DOUBLER AND REPAIR FILLER IN STR- #2 ENGINE NACELLE PYLON STRUT, OUTBD INNER SKIN, FWD OF THE VENT PANEL OPENING AT SEAM OF FRAME IAW B757-200 SRM 51-40-02-0G. ACCOMPLISH REPAIR PER EO-98674-REQ1 AND STE-PNA EA 757-5450-27-A4631, REV. -.

---
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.