# SDR B4VR071217A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2017
- Submitted: July 12, 2017
- Operation: General aviation
- Aircraft: [N4117H](https://openairdocs.org/aircraft/N4117H), registered now
- Make and model: Diamon DA 40
- Registry model: [Diamon DA 40](https://openairdocs.org/model/diamond-aircraft-ind-da-40) (OpenAirDocs)
- Aircraft serial: 4117H
- Aircraft time: 8,914 hours
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Zone 100
- Part time: 8,914 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/B4VR071217A

## Discrepancy

SPIDER WEB CRACK ON AFT LEFT SIDE OF AFT (MAIN) CARRY THROUGH SPAR. CRACK WAS APPROX. 1.25 INCHES BY 1 INCH. CRACKED AREA REMOVED TO INVESTIGATE DAMAGE FURTHER, CRACK WENT THROUGH ALL LAYERS OF FIBERGLASS AND DOWN TO(BUT NOT INTO) THE FOAM.  AREA OF FIBERGLASS REMOVED IS APPROX. 2 INCHES X 1.5 INCHES. LOCATED 16 INCHES FROM CENTERLINE.
SEE PICTURES ATTACHED TO EMAIL SENT TO 9-AMC-SDR-PROGMGR@FAA.GOV

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.