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C210 enroute problem; originally diagnosed as a generator failure; is determined to be a dead battery due to faulty landing gear retract system allowing motor to run continuously.
| Attributes | |
| ACN | 793882 |
| Time | |
| Date | 200806 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 5000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Cessna 210 Centurion / Turbo Centurion 210C 210D |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : cfi pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 3500 flight time type : 100 |
| ASRS Report | 793882 |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
I thought I had a generator failure -- so I shut off the master and deployed the backup windmill generator. After landing I found that the pressure switch on the landing gear motor had failed and the motor was running continuously; sucking all the power from the generator and battery.
Original NASA ASRS Text
Title: C210 ENROUTE PROBLEM; ORIGINALLY DIAGNOSED AS A GENERATOR FAILURE; IS DETERMINED TO BE A DEAD BATTERY DUE TO FAULTY LNDG GEAR RETRACT SYSTEM ALLOWING MOTOR TO RUN CONTINUOUSLY.
Narrative: I THOUGHT I HAD A GENERATOR FAILURE -- SO I SHUT OFF THE MASTER AND DEPLOYED THE BACKUP WINDMILL GENERATOR. AFTER LNDG I FOUND THAT THE PRESSURE SWITCH ON THE LNDG GEAR MOTOR HAD FAILED AND THE MOTOR WAS RUNNING CONTINUOUSLY; SUCKING ALL THE PWR FROM THE GENERATOR AND BATTERY.
Data retrieved from NASA's ASRS site as of May 2009 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.