# SDR IPXA2026050281431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N440UP](https://openairdocs.org/aircraft/N440UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25471
- Aircraft time: 31,609 hours, 20,835 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: 313N502152
- Condition: Cracked
- 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/IPXA2026050281431

## Discrepancy

NR 1 ENGINE AFT STRUT FAIRING LOWER AFT EXTERIOR OTBD SHOWS EVIDENCE OF A CRACK NEAR FASTENER.   INSTALLED AFT STRUT FAIRING NR 1 ENGINE IAW SRM 51-40-02-0G.

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