# SDR 2003FA0000721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2003
- Submitted: July 23, 2003
- Operation: General aviation
- Aircraft: [N5582X](https://openairdocs.org/aircraft/N5582X), registered now
- Make and model: Beech F33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Aircraft serial: CE1353
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Relay
- Part number: SM50D7
- Condition: Failed
- Location: Mlg
- Part time: 304 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/2003FA0000721

## Discrepancy

DURING 50 HOUR INSPECTION OF LANDING GEAR, GEAR FAILED TO EXTEND (2) TIMES.  UPON TROUBLESHOOTING GEAR SYSTEM FOUND DYNAMIC RELAY PN SM50D7 WAS BAD.  REPLACED DYNAMIC RELAY AND CYCLED GEAR SEVERAL TIMES OPERATIONAL OF GEAR CHECKED GOOD.

---
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.