# SDR CALA2013090900639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2013
- Submitted: September 9, 2013
- Operation: Air carrier
- Aircraft: [N13716](https://openairdocs.org/aircraft/N13716), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28787
- Aircraft time: 49,673 hours, 16,643 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 111A1111
- Condition: Cracked
- Location: Center Wing
- 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/CALA2013090900639

## Discrepancy

CENTER WING BOX REAR SPAR WEB AT STATION 663 ON LT SIDE FOUND 11/2 INCH CRACK AT LBL 41 & AMP; WL 194 & 11/2 INCH CRACK AT LBL 43 & AMP; WL 197.  REPAIR CARRIED OUT IAW SRM 57-1010,REPAIR 3, ALTERNATE 2, PAGE 20 4 THRU PAGE 210.

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