Service difficulty report · Fuel Nozzle

Difficulty date
April 11, 2011
Submitted
June 3, 2011
Operation
General aviation
Engine
Pwa PT6A135
Part
Fuel Nozzle
Condition
Leaking
Location
Fuel
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

NOZZEL TIP LEAKING BETWEEN ADAPTOR AND NOZZLE TIP AT GASKET, LEAKAGE CAUSED FAILURE OF NR 2 BEARING COVER, VANE RING, LED, ALSO CAUSED NR 2 BEARING COVER MOUNTING FLANGE TO MELT. CT DISK FIN TREES CRACKED, CAUSE BLADES TO WALK. SUSPECT NOZZLE LEAKAGE TEST WASN`T PERFORMED PROPERLY AT LAST NOZZLE CHANGE. NOTE) NR 2 ENGINE ALSO HAD NOZZLE TIP LEAKAGE.