Service difficulty report · Duct · Dhav DHC3

Difficulty date
September 30, 2006
Submitted
December 4, 2006
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
28,519 hours
Engine
Pwa PT6A34
Part
Duct
Part number
310926302
Condition
Damaged
Location
Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) DURING A REGULARLY SCHEDULED HOT SECTION INSPECTION A CRACK WAS NOTICED IN THE LARGE EXIT DUCT (LED) BEING REMOVED FROM THE ENGINE. THE CRACK WAS LOCATED ON THE DOME AT THE DOUBLE WALL SEAM. THE LED HAD BEEN RECENTLY OVERHAULED AND HAD A TSO OF 1676.9. THIS WAS THE 4TH LED DUCT THAT THIS OPERATOR HAS HAD A PROBLEMS WITH. (TC NR 20061004008)