# SDR ZDU2003F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2003
- Submitted: February 12, 2003
- Operation: Air carrier
- Aircraft: [N5173V](https://openairdocs.org/aircraft/N5173V), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S9046
- Engine: Lyc IO360L2A
- System (JASC): [2562 · Emergency Locator Beacon](https://openairdocs.org/jasc/2562)
- Part: Elt
- Part number: 300011
- Part serial: 329331
- Condition: Failed
- Location: Cabin
- Part time: 445 hours
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZDU2003F00000

## Discrepancy

DURING ROUTINE MECHANIC CHECK,  ELT REMOTE SWITCH FOUND INOPERATIVE, FAILURE TRACED TO ELT ITSELF.  ALL UNITS FAILED REMOTE TEST BETWEEN 400-600 HOURS.  ALL OTHER ELT FUNCTIONS, NORMAL.

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