# SDR CALA2016101000747

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2016
- Submitted: October 10, 2016
- Operation: Air carrier
- Aircraft: [N13720](https://openairdocs.org/aircraft/N13720), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28939
- Aircraft time: 58,093 hours, 18,710 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Part number: 111A11111
- Condition: Cracked
- Location: Bs 663
- 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/CALA2016101000747

## Discrepancy

REAR SPAR VERTICAL PRESSURE WEB CRACKED STA 663 BETWEEN LBL40 A ND LBL45. REPAIRED REAR SPAR REF ECRA 5710-02567 PT 1 INTERIM REPAIR.STA 663 LBL40/LBL14.

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