# SDR 99ZZZX4491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N290SJ
- Make and model: Beech 200BEECH
- Aircraft serial: BB290
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 1011100303
- Condition: Corroded
- Location: Lt Wing
- Part time: 10,006 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX4491

## Discrepancy

WHILE INVESTIGATING POSSIBLE SURFACE CORROSION ON THE LEFT WING TO FORWARD SPAR HINGE CAP DURING THE 12-MONTH SPAR CAP INSPECTION PER CHAPTER 5 OF THE MM, AN APPROXIMATE 2.6 INCH CRACK WAS FOUND AT APPROXIMATELY WS 153.735.

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