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A canadair CL65 in cruise at FL210 diverted due to intermittent left engine low oil pressure warning light. Caused by a malfunctioning oil pressure oil transducer.
| Attributes | |
| ACN | 562091 |
| Time | |
| Date | 200210 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : msn.airport |
| State Reference | WI |
| Altitude | msl single value : 21000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65, Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : cfi pilot : commercial pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 240 flight time total : 6500 flight time type : 2400 |
| ASRS Report | 562091 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On oct/sun/02, I was operating flight abcd from msp to cvg. During climb through FL210, we got a left oil pressure warning which signified low oil pressure in that engine. The warning was very brief and then cleared on its own. We consulted and completed the appropriate checklist. We attempted to contact our dispatcher and maintenance controllers on the radio numerous times but were unable to communicate with them. The warning reappeared intermittently approximately 2-3 more times. I elected to divert to msn for a precautionary landing. During approach, the left oil pressure warning intermittently reappeared approximately 15 times. We landed without further incident. Crash fire rescue equipment equipment was in position during landing. Callback conversation with reporter revealed the following information: the reporter stated the cause of the intermittent oil pressure warning light was an engine mounted pressure transducer.
Original NASA ASRS Text
Title: A CANADAIR CL65 IN CRUISE AT FL210 DIVERTED DUE TO INTERMITTENT L ENG LOW OIL PRESSURE WARNING LIGHT. CAUSED BY A MALFUNCTIONING OIL PRESSURE OIL TRANSDUCER.
Narrative: ON OCT/SUN/02, I WAS OPERATING FLT ABCD FROM MSP TO CVG. DURING CLB THROUGH FL210, WE GOT A L OIL PRESSURE WARNING WHICH SIGNIFIED LOW OIL PRESSURE IN THAT ENG. THE WARNING WAS VERY BRIEF AND THEN CLRED ON ITS OWN. WE CONSULTED AND COMPLETED THE APPROPRIATE CHKLIST. WE ATTEMPTED TO CONTACT OUR DISPATCHER AND MAINT CTLRS ON THE RADIO NUMEROUS TIMES BUT WERE UNABLE TO COMMUNICATE WITH THEM. THE WARNING REAPPEARED INTERMITTENTLY APPROX 2-3 MORE TIMES. I ELECTED TO DIVERT TO MSN FOR A PRECAUTIONARY LNDG. DURING APCH, THE L OIL PRESSURE WARNING INTERMITTENTLY REAPPEARED APPROX 15 TIMES. WE LANDED WITHOUT FURTHER INCIDENT. CFR EQUIP WAS IN POS DURING LNDG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE CAUSE OF THE INTERMITTENT OIL PRESSURE WARNING LIGHT WAS AN ENG MOUNTED PRESSURE TRANSDUCER.
Data retrieved from NASA's ASRS site as of July 2007 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.