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C172 instructor pilot reported returning to departure airport after noticing a burning rubber smell. After landing; the alternator was found to be seized.
| Attributes | |
| ACN | 1332662 |
| Time | |
| Date | 201602 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Climb |
| Component | |
| Aircraft Component | AC Generator/Alternator |
| Person 1 | |
| Function | Instructor Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Flight Instructor Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 300 Flight Crew Type 300 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
Once we took off and were departing the area I pulled cabin heat and we instantly smelled smoke of what smelled to be rubber burning. We immediately turned back to the airport and informed ATC of the situation. Fire trucks were brought out and inspected us on the runway. They reported nothing and we taxied back and shut down. Upon inspection the alternator belt was completely frayed and a maintenance mechanic stated that the alternator was seized.
Original NASA ASRS Text
Title: C172 instructor pilot reported returning to departure airport after noticing a burning rubber smell. After landing; the alternator was found to be seized.
Narrative: Once we took off and were departing the area I pulled cabin heat and we instantly smelled smoke of what smelled to be rubber burning. We immediately turned back to the airport and informed ATC of the situation. Fire trucks were brought out and inspected us on the runway. They reported nothing and we taxied back and shut down. Upon inspection the alternator belt was completely frayed and a maintenance mechanic stated that the alternator was seized.
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.