# SDR KCSA202608041105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N706CK](https://openairdocs.org/aircraft/N706CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 27073
- Aircraft time: 89,902 hours, 15,554 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Angle
- 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/KCSA202608041105

## Discrepancy

NR 5 LT OTBD AILERON HINGE FITTING LOWER ANGLE CRACKED AT FWD END. APPROX WS 1310

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