Definition
The pilot action of identifying the cause of a failed generator (or alternator) and attempting to restore electrical output through a defined sequence of steps — typically checking circuit breakers, cycling the generator switch, verifying bus voltage, and reducing electrical load — in accordance with the aircraft's Pilot's Operating Handbook (POH) or Aircraft Flight Manual (AFM) emergency procedures.
Plain English
Working through the checklist steps to figure out why the generator stopped producing electricity and trying to bring it back online before the battery runs down.
Context Anchor
Seen in instrument flying and emergency procedures when the aircraft’s electrical system is no longer being charged normally.
Derivation
Troubleshoot' comes from early 20th-century American usage meaning to hunt down ('shoot') the source of trouble in a machine or system. In aviation, it carries the same idea — methodically working through possible causes to isolate and fix the fault.
Why Pilots Care
Unresolved generator failure drains the battery and can cause loss of radios, navigation, and flight instruments.
Intuition Check
Do not assume “troubleshoot” means trying random fixes in flight. In this context, it means checking the problem in an orderly way, using the aircraft checklist, while protecting the remaining electrical power.
Example Sentence 1
When the low-voltage light illuminated, the pilot began to troubleshoot the generator failure using the emergency checklist.
Example Sentence 2
The checklist directs the pilot to troubleshoot generator failure before the battery is depleted.