# SDR KCSA202204121042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2022
- Submitted: April 12, 2022
- Operation: Air carrier
- Aircraft: [N742CK](https://openairdocs.org/aircraft/N742CK), registered now
- Make and model: Boeing 747446
- Aircraft serial: 24424
- Aircraft time: 111,822 hours, 23,662 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA202204121042

## Discrepancy

FOUND CRACK INDICTION WITH HFEC OPEN HOLE INSPECTION ON R/H UPPER HOLE OF STRINGER 11 STATION 2598.

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