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A canadair CL65 on initial climb at 5000 ft diverted due to 2 stabilizer trim and mach trim warnings with no engagement of system.
| Attributes | |
| ACN | 504087 |
| Time | |
| Date | 200103 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : zzz.tracon |
| 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 : initial |
| Route In Use | departure : other published ifr departure |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 3700 flight time type : 1945 |
| ASRS Report | 504087 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : multi engine |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : stab trim and machtrim warning other flight crewa other flight crewb |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft |
| Primary Problem | Aircraft |
Narrative:
On initial climb out at 500 ft AGL, stabilizer trim and mach trim caution messages were illuminated. Ran appropriate normal climb out procedures, then ran QRH procedure for the problem. The messages were extinguished (re-engaged stabilizer and mach trims). At approximately 5000 ft MSL, stabilizer and mach trim caution messages were illuminated again. We ran QRH procedure again. Could not get stabilizer and mach trim to re-engage. We informed ATC we would need to return, and contacted our maintenance department for information. Our maintenance department asked if we would continue on to our destination. We declined! We informed our flight attendant, passenger, and other appropriate company employees of our return to field. We landed safely with no further problems.
Original NASA ASRS Text
Title: A CANADAIR CL65 ON INITIAL CLB AT 5000 FT DIVERTED DUE TO 2 STABILIZER TRIM AND MACH TRIM WARNINGS WITH NO ENGAGEMENT OF SYS.
Narrative: ON INITIAL CLBOUT AT 500 FT AGL, STABILIZER TRIM AND MACH TRIM CAUTION MESSAGES WERE ILLUMINATED. RAN APPROPRIATE NORMAL CLBOUT PROCS, THEN RAN QRH PROC FOR THE PROB. THE MESSAGES WERE EXTINGUISHED (RE-ENGAGED STABILIZER AND MACH TRIMS). AT APPROX 5000 FT MSL, STABILIZER AND MACH TRIM CAUTION MESSAGES WERE ILLUMINATED AGAIN. WE RAN QRH PROC AGAIN. COULD NOT GET STABILIZER AND MACH TRIM TO RE-ENGAGE. WE INFORMED ATC WE WOULD NEED TO RETURN, AND CONTACTED OUR MAINT DEPT FOR INFO. OUR MAINT DEPT ASKED IF WE WOULD CONTINUE ON TO OUR DEST. WE DECLINED! WE INFORMED OUR FLT ATTENDANT, PAX, AND OTHER APPROPRIATE COMPANY EMPLOYEES OF OUR RETURN TO FIELD. WE LANDED SAFELY WITH NO FURTHER PROBS.
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.