OpenAirDocs.org

SDR CA051216002

Open the Markdown

Service difficulty report · Nozzle · Skrsky S76A

FAA SDR system

Difficulty date
December 15, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Skrsky S76A
System (JASC)
6320 · Main Rotor Gearbox
Part
Nozzle
Part number
7635109105068
Condition
Damaged
Location
M/R Gearbox
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

THESE TWO OIL JET ASSEMBLIES WERE RECEIVED NEW AND CHECKED FOR CORRECT ORIENTATION OF THE OIL DELIVERY HOLE. BOTH UNITS FAILED WHEN COMPARED TO A USED ASSEMBLY. THIS OIL JET SPRAYS ON TO THE GEAR MESH OF THE INPUT BEVEL PINION P/N 76351-09132-102 AND BEVEL GEAR P/N 76351-09011-105 AND -106. THERE ARE 2 NOZZLE ASSEMBLIES IN EACH MAIN GEARBOX P/N 76351-09500-043/044.