Service difficulty report · Seal · Cvac 340CVAC

Difficulty date
April 23, 2002
Submitted
June 25, 2002
Operation
Air carrier
Make and model
Cvac 340CVAC
Aircraft time
59,673 hours
Engine
Allsn 501D13D
Part
Seal
Condition
Leaking
Location
Compass
Stage of operation
CR
How discovered
O
Nature of condition
K, B
Precautionary procedure
O

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

What was found

(CAN) THE MAGNETIC STANDY COMPASS WAS FOUND BY THE AIR CREW TO BE LEAKING FLUID ACCOPAMIED BY A STRONG SOLVENT ODOUR. LAB RESULTS REPORTED THE FLUIDTO BE MINERAL SPIRITS CONTAINING AROMATIC HYDROCARBONS, CYCLIC HYDROCARBONS, ISOPARAFFINS AND NORMAL PARAFFINS. THE CONCLUSION OF THE REPORT STATES IN PART: "THE AROMATIC HYDROCARBONS IN THE FLUID USED IN THE COMPASS PROBABLY CAUSED DAMAGE TO THE GASKET WITH THE RESULT BEING A LEAKY COMPASS".