# SDR 98ZZZX4331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N704HQ
- Make and model: Cessna 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (OpenAirDocs)
- Aircraft serial: 15078627
- System (JASC): [3451 · DME/TACAN System](https://openairdocs.org/jasc/3451)
- Part: Switch
- Part number: SW303
- Condition: Failed
- Location: Cockpit
- Part time: 1 hours
- Component: Narco, DME890
- 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/98ZZZX4331

## Discrepancy

UNIT DOES NOT TURN OFF.  SUBMITTER SUSPECTS DEFECTIVE ON/OFF SWITCH.  UNIT HAS APPROXIMATELY ONE HOUR TOTAL TIME.  RETURNED UNIT TO FACTORY FOR REPAIR.

---
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.