# SDR IPXA2026030564510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2026
- Submitted: March 5, 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: 131,446 hours, 22,124 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 65B149625
- Condition: Cracked
- Location: Zone 500
- 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/IPXA2026030564510

## Discrepancy

CRACK LEFT WING LEADING EDGE UPPER FIXED PANEL.  REPAIRED I.A.W AMM 27-81-03-402-019 REV.115 STEP 3.A TO 3.F.   INSTALLED THE L2 PDU CHECK OK

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