# SDR KCSA202207291095

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2022
- Submitted: July 30, 2022
- Operation: Air carrier
- Aircraft: [N708CK](https://openairdocs.org/aircraft/N708CK), registered now
- Make and model: Boeing 747-4B5
- Registry model: [Boeing 747-4B5](https://openairdocs.org/model/boeing-747-4b5) (OpenAirDocs)
- Aircraft serial: 25275
- Aircraft time: 104,288 hours, 17,994 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Attach Angle
- Condition: Cracked
- 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/KCSA202207291095

## Discrepancy

FOUND CRACK ON LH MAIN ENTRY DOOR 1 UPPER SILL ATTACH ANGLE AT STA 480 WHILE ACCOMPLISHING BOEING SB 747-53A2785

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