# SDR KCSA202610091225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2026
- Submitted: October 9, 2026
- Operation: Air carrier
- Aircraft: [N700CK](https://openairdocs.org/aircraft/N700CK), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25868
- Aircraft time: 125,054 hours, 22,962 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Zone 600
- 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/KCSA202610091225

## Discrepancy

RIGHT WING L/E RIB CRACKED AT ILES 756.95 APPROX. JUST AFT OF L/E BULLNOSE IN UNDERWING CAVITY ON LONGERON ATTACH POINT.

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