Service difficulty report · Compressor · Snias AS350B1

Difficulty date
July 10, 2012
Submitted
July 31, 2012
Operation
General aviation
Aircraft
N152TA
Make and model
Snias AS350B1
Aircraft serial
2241
Aircraft time
21,426 hours, 59,936 cycles
Engine
Tmeca ARRIEL1D
Engine time
5,414 hours
Part
Compressor
Part number
70BM035280
Part serial
5209
Condition
Noisy
Location
Zone 200
Stage of operation
TX
How discovered
O
Nature of condition
E
Precautionary procedure
E

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

What was found

INSTALLED MODULE 3, FRESH OUT OF OVERHAUL. DURING OPS CHECKS A LOUD "HOWLING" WAS OBSERVED. ENGINE WAS SHUTDOWN, REMOVED AND SENT TO MFG FOR FURTHER INVESTIGATION.