# SDR IPXA2026031399855

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2026
- Submitted: March 13, 2026
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 131,455 hours, 22,126 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Skin
- Condition: Corroded
- Location: Zone 600 Aileron
- Component: Aileron
- Component part number: 65B0210012
- 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/IPXA2026031399855

## Discrepancy

CORROSION, R/H WING OUTBD AILERON TE LOWER SURFACE AROUND DISCHARGER BASE, NR 1 FROM THE INBD (AGING INSPECTION) (NO.5862)(REPAIR)  IAW AMM 20-51-01-912-008 REV.115 INSTALL R/H WING OUTBD AILERON TE LOWER PANEL P/N:65B02152-2 AND CONDITION CHECK NORMAL.

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