Service difficulty report · Coupling · Snias AS350D

Difficulty date
July 9, 2002
Submitted
July 23, 2002
Operation
Air carrier
Aircraft
N90Q
Make and model
Snias AS350D
Aircraft serial
2324
Engine
Allsn 250C30
Part
Coupling
Part number
S40
Condition
Worn
Location
Hyd Pump
Part time
6,565 hours
Stage of operation
IN
How discovered
V
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

SPLINES ON DRIVE COUPLING WORN, SPLINED ON PUMP SHOW SIGNS OF MINOR WEAR DIFFICULT TO SEE INSIDE DRIVE COUPLING AT DEGREASE.