# SDR 9SUA2016060801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2016
- Submitted: June 8, 2016
- Operation: Air carrier
- Aircraft: N779JS
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0036
- Aircraft time: 8,912 hours, 6,414 cycles
- Engine: Wilint FJ44
- Engine time: 8,555 hours, 6,203 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Condition: Failed
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9SUA2016060801

## Discrepancy

RIGHT LANDING GEAR, GREEN LIGHT DID NOT ILLUMINATE WITH GEAR DOWN.  THE CREW DECLARED AN EMERGENCY, DID A TOWER FLY-BY AND LANDED WITHOUT ANY FURTHER PROBLEMS.  AIRCRAFT GROUNDED.    MAINTENANCE TROUBLESHOT GEAR ISSUE TO BAD GEAR INDICATION SWITCH.  R & R LANDING GEAR SWITCH. PERFORMED SEVERAL GEAR SWINGS. OPS CHECK 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.
