# SDR KCSA202606021040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N712CK](https://openairdocs.org/aircraft/N712CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 26414
- Aircraft time: 95,017 hours, 16,863 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Tee Angle
- Condition: Cracked
- Location: Z
- 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/KCSA202606021040

## Discrepancy

VERTICAL TEE CRACKED, O/B END OF FIXED T/E BEAM AT WBL429

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