Service difficulty report · Engine · Airtrc AT802

Difficulty date
November 27, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Airtrc AT802
Engine
Pwa PT6A67
Part
Engine
Condition
Making Metal
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) ENGINE WAS SENT FOR REPAIR WITH THE OPERATOR REPORTING METAL IN OIL. THE OPERATOR ALSO REPORTED THAT BOTH CHIP DETECTOR LIGHTS WERE ILLUMINATED. THE CUSTOMER PROVIDED A LABORATORY ANALYSIS REPORT OF THE METAL FOUND IN THE MAIN OIL FILTER AND FROM AN OIL SAMPLE. MOST DEBRIS RECOVERED FROM THE MAIN OIL FILTER WERE FLAKES WITH A SIMILAR COMPOSITION AS AMS 4842, WHILE A MINOR AMOUNT OF DEBRIS RECOVERED WERE FLAKES OF AMS 6260/6265 COMPOSITION. THE OIL SAMPLE YIELDED A HIGHER THEN NORMAL IRON AND LEAD CONTENT.