Service difficulty report · Blower Motor · Snias AS350B2

Difficulty date
December 20, 2010
Submitted
December 21, 2010
Operation
Air carrier
Aircraft
N350LN
Make and model
Snias AS350B2
Aircraft serial
3708
Aircraft time
4,026 hours, 12,531 cycles
Engine
Tmeca ARRIEL1D1
Engine time
4,026 hours, 10,738 cycles
Part
Blower Motor
Part number
0500521
Condition
Shorted
Location
Evaporator
Part time
4,026 hours
Stage of operation
LD
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

THE ACFT WAS RETURNING TO BASE, WAS ON FINAL APPROACH, WHEN THE PILOT AND MED CREW ON BOARD ALL SMELLED AN ODOR THAT WAS INITIALLY THOUGHT TO BE THE AIR CONDITIONING COMPRESSOR BELT HAD BURNED. THE ACFT LANDED AND SHUTDOWN WITHOUT FURTHER INCIDENT. THE MECHANIC TROUBLESHOT THE SYS AND FOUND THAT THE FWD EVAPORATOR BLOWER MOTOR HAD SHORTED. THE MECHANIC PLACED A NEW BLOWER MOTOR ON ORDER AND MEL'D THE AIR CONDITIONING SYS TO RETURN THE ACFT TO SERVICE. NOTE: THE ENGINE TOTAL CYCLES IS NP. NG TOTAL CYCLES IS 9488.1