# SDR 2019FA0000190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2019
- Submitted: June 25, 2019
- Operation: General aviation
- Aircraft: [N387MD](https://openairdocs.org/aircraft/N387MD), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41327
- Aircraft time: 1,573 hours, 5,901 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Warning Light
- Condition: False Activation
- Location: Display
- Part time: 380 hours, 1,383 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2019FA0000190

## Discrepancy

DU DEGRADED CAS LIGHT ILLUMINATED 3 MINUTES PRIOR TO LANDING. NO DEGRADATION WAS NOTED ON DISPLAY,  REVERSION MODES WORKED AS EXPECTED.

---
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.