# SDR IPXA2025071891774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2025
- Submitted: July 23, 2025
- Operation: Air carrier
- Aircraft: [N407UP](https://openairdocs.org/aircraft/N407UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23729
- Aircraft time: 38,060 hours, 25,463 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Channel
- Part number: 313N3022102
- 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/IPXA2025071891774

## Discrepancy

FOUND ROD STRUCTURE CHANNEL (313N3022-102) HAS A .60 LONG CRACK ON PANEL 445BL RUNNING FROM EDGE OF FASTENER HOLE TO EDGE OF PART. INSTALLED 1 EA CHANNEL IAW B757-200-SRM-51-40-02.

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