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Pc-12 captain reported that a master caution warning resulted in a diversion.
| Attributes | |
| ACN | 1703035 |
| Time | |
| Date | 201911 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | System Monitor: Indicating and Warning |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Aircraft X had maintenance for master warning (red) light illumination in flight/unable to reset. It was signed off by maintenance and aircraft was 'up.' normal preflight and start on gpu due to batteries at 24.4 volts and sitting for 4 days. Aural warning was discovered 'inhibit' on preflight and was selected to 'on' prior to start. Normal start; taxi; and takeoff from ZZZ1. We were repositioning under part 91 for a part 91K flight. Upon reaching cruise (FL210) after approximately 20 minutes; both master warning (red) lights illuminated. There were no 'triple chime;' 'voice callouts;' or associated cas message(s). Attempted unsuccessfully to contact dispatch via airtext. Contacted miami center to pass we had maintenance issue inflight and requested they call dispatch (I provided number) and have dispatch/maintenance contact us. Dispatch made contact. We passed pertinent info. They instructed us to divert to ZZZ2 for maintenance. Contacted center and stated that we would need to divert for maintenance to ZZZ2. Center subsequently provided new clearance/routing to ZZZ2. We continued to ZZZ2 without further incident(s) and subsequently landed/taxied in without further incident. Contacted dispatch and maintenance control upon shutdown. Crew did not declare emergency or urgent need to divert. Captain went through PC12 QRH and poh to see if there was any amplifying info for situation. None found.
Original NASA ASRS Text
Title: PC-12 Captain reported that a Master Caution warning resulted in a diversion.
Narrative: Aircraft X had maintenance for Master Warning (Red) Light Illumination in flight/unable to reset. It was signed off by Maintenance and aircraft was 'up.' Normal preflight and start on GPU due to batteries at 24.4 Volts and sitting for 4 days. Aural Warning was discovered 'Inhibit' on preflight and was selected to 'on' prior to start. Normal start; taxi; and takeoff from ZZZ1. We were repositioning under Part 91 for a Part 91K flight. Upon reaching cruise (FL210) after approximately 20 minutes; both Master Warning (Red) Lights Illuminated. There were no 'Triple Chime;' 'Voice Callouts;' or associated CAS Message(s). Attempted unsuccessfully to contact Dispatch via AirText. Contacted Miami Center to pass we had maintenance issue inflight and requested they call Dispatch (I provided number) and have Dispatch/Maintenance contact us. Dispatch made contact. We passed pertinent info. They instructed us to divert to ZZZ2 for Maintenance. Contacted Center and stated that we would need to divert for Maintenance to ZZZ2. Center subsequently provided new clearance/routing to ZZZ2. We continued to ZZZ2 without further incident(s) and subsequently landed/taxied in without further incident. Contacted Dispatch and Maintenance Control upon shutdown. Crew did not declare emergency or urgent need to divert. Captain went through PC12 QRH and POH to see if there was any amplifying info for situation. None found.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.