Aeroengine Safety - 25:252:2522:25221<a style="color:#000" href="https://www.tugraz.at/institute/ittm">Institute of Thermal Turbomachinery and Machine Dynamics</a></br><a href="https://www.tugraz.at">Graz University of Technology</a>
https://aeroenginesafety.tugraz.at/
2026-06-13T03:59:19+00:00Aeroengine Safety
https://aeroenginesafety.tugraz.at/
https://aeroenginesafety.tugraz.at/lib/exe/fetch.php?media=wiki:logo.pngtext/html2022-02-20T16:01:02+00:00Anonymous (anonymous@undisclosed.example.com)25.2.2.1 Outer indications: Visual, noise, smell, temperatures and vibrations
https://aeroenginesafety.tugraz.at/doku.php?id=25:252:2522:25221:25221&rev=1645372862&do=diff
25.2.2.1 Outer indications: Visual, noise, smell, temperatures and vibrations
<a id="outer-indications-by-observers"></a>
[ Outer indications by observers ]
With sufficient experience and expertise, important conclusions at the condition and problems of
an aeroengine are possible during maintenance, also
without special aids<a id="optimal-use-of-human-sensations"></a><a id="support-of-sensations"></a><a id="overload-crack-and-fracture-seen-by-an-observer"></a><a id="borescopy"></a><a id="bor…