# SDR 97ZZZX4192

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N47938
- Make and model: Grob G103ATWINII
- Aircraft serial: 3841K87
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Canopy
- Condition: Opened
- Location: Cockpit
- Part time: 1,400 hours
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4192

## Discrepancy

BOUNCING ON TAKEOFF ROLL AND TURBULENCE ON TOW CAUSED CANOPY LOCK HANDLE TO UNLOCK AND CANOPY OPENED IN-FLIGHT BREAKING THE REAR HINGE AND GLASS.  IT DID NOT BREAK LOOSE FROM THE GLIDER.  RECOMMEND OVERCENTER TYPE LOCK SPRING TO HOLD LATCH CLOSED.

---
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.