# SDR TSAA0657021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2006
- Submitted: March 24, 2006
- Operation: Air carrier
- Aircraft: [N818AL](https://openairdocs.org/aircraft/N818AL), registered now
- Make and model: Boeing 737230
- Aircraft serial: 22117
- Aircraft time: 53,023 hours, 72,957 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 6545320
- Condition: Corroded
- Location: 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/TSAA0657021

## Discrepancy

CORROSION ON LOWER SURFACE CHORD FORWARD FLANGE FRONT SPAR AT FSS-560.

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