Service difficulty report · Mast · Snias AS350B2

Difficulty date
April 4, 2017
Submitted
April 13, 2017
Operation
Air carrier
Aircraft
N350GR
Make and model
Snias AS350B2
Aircraft serial
3140
Aircraft time
6,974 hours, 23,905 cycles
Part
Mast
Part number
350A37000402
Part serial
M1193
Condition
Loose
Location
Main Rotor
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

DURING TBO REMOVAL OF EPICYCLIC GEAR FOUND THAT THE 6 MAST?EPICYCLIC BOLTS (P/N 350A37-1024-20) WHERE NOT TORQUED. CONTACTED AIRBUS HELICOPTERS TECH REP AND WAS REFERED TO SAFETY INFORMATION NOTICE NO. 2899-S-62, UPON FURTHER INSPECTION PER SIN FOUND THAT THE MAIN ROTOR MAST GROVE HAD WORN PAINT AS DID THE PHONIC WHEEL.