# SDR KCSA201801031001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2018
- Submitted: January 3, 2018
- Operation: Air carrier
- Aircraft: [N743CK](https://openairdocs.org/aircraft/N743CK), registered now
- Make and model: Boeing 747446
- Aircraft serial: 26350
- Aircraft time: 97,827 hours, 15,551 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- 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/KCSA201801031001

## Discrepancy

BS2598 LT BULKHEAD LWR INNER CHORD AND WEB HAS CRACK INDICATIONS AT 2 EA FASTENER HOLES. CRACK INDICATION IN CHORD AND CRACK INDICATION IN WEB LBL 40 WL 265 APPROX. .100" IN LENGTH.

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