# SDR LAB2002F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2001
- Submitted: January 11, 2002
- Operation: Air carrier
- Aircraft: [N3523Y](https://openairdocs.org/aircraft/N3523Y), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317952115
- Engine: Lyc TIO540*
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Wing
- Part time: 5,530 hours
- 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/LAB2002F00000

## Discrepancy

CRACK IN A SPOT THAT IS NOT VISIBLE TO BORESCOPE WHEN COMPLYING WITH AD.  730 HOURS SINCE EFFECTIVE DATE OF AD.  1000 HOURS ALLOWED FROM EFFECTIVE DATE.

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