# SDR USAA2012060800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2012
- Submitted: June 8, 2012
- Operation: Air carrier
- Aircraft: N574US
- Make and model: Boeing 737301
- Aircraft serial: 23739
- Aircraft time: 6,578 hours, 47,190 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 654532421
- Condition: Cracked
- Location: Lt Wing
- 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/USAA2012060800001

## Discrepancy

MLG FITTING REPLACEMENT VISIT - CRACK IN LEFT WING REAR SPAR UPPER SPAR CHORD AT RSS226.  REPAIRED LEFT UPPER SPAR CHORD IAW EA 202579.

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