# SDR IPXA2026042014715

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2026
- Submitted: April 23, 2026
- Operation: Air carrier
- Aircraft: [N575UP](https://openairdocs.org/aircraft/N575UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35664
- Aircraft time: 63,822 hours, 10,023 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Rub Strip
- Part number: 2242301143
- Condition: Chafed
- 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/IPXA2026042014715

## Discrepancy

CHAFING AND MISSING - STRIP AND RIVET, NO.3 ENG L/H CORE COWL AFT UPR WEAR STRIP.  IAW SRM 51-40-02-0G REV. 106 AND GOODRICH AEROSTRUCTURES CMM IPL 71-13-23 REV.47 INSTALLED NEW STRIP.

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