Warning: an old lead at the Tulsa hangar said never torque a prop bolt dry, and I brushed it off for one annual

Daniel Henderson · 2026-10-01T14:30:02.983237+00:00

I was 22 and in a hurry, so I ran those bolts on a 172 without the thread lube, and the torque wrench clicked way too early. Pulled two studs the next week, $600 in parts and a very quiet walk to the boss's office. Anyone else learn that one the hard way, or am I the only guy who had to buy the lesson?

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Warning: an old lead at the Tulsa hangar said never torque a prop bolt dry, and I brushed it off for one annual | Aircraft Mechanics - Talk Freely