# SDR UIEA2025070600842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2025
- Submitted: August 1, 2025
- Operation: Air carrier
- Aircraft: [N856GT](https://openairdocs.org/aircraft/N856GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37561
- Aircraft time: 56,498 hours, 9,332 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Rib
- Condition: Cracked
- Location: Zone 500 Aileron
- 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/UIEA2025070600842

## Discrepancy

LHW T/E I/B AILERON R/H HINGE ATTACH R/H RIB UPPER FLANGE FOUND CRACKED.(<P>HW T/E I/B AILERON R/H HINGE ATTACH R/H RIB UPPER FLANGE REPAIRED I.A.W RI-57-20-17699 REV.A. NO FURTHER DEFECTS NOTED.</P>)

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