SDR 99ZZZX226

Service difficulty report · Diffuser · Aerosp AS365N2

Difficulty date
September 11, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N291LL
Make and model
Aerosp AS365N2
Aircraft serial
6402
Engine
Tmeca ARRIEL1C
Part
Diffuser
Condition
Damaged
Location
Engine
Part time
3,975 hours
Component
70BM035600
Stage of operation
IN
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

TEC TECH REP AT FACILITY TO C/W TU 202. SECOND STAGE NOZZLE INSTALLATION AFTER REMOVAL OF MODULES 2 AND 3 HEARD PIECES INSIDE ENGINE. UPON TEAR-DOWN OR SEPARATION OF MODULES 2 AND 3 FOUND DIFFUSER TO HAVE HOLE IN IT, 2 INCHES BY 6 INCHES. PARTS HAD LIBERATED THEMSELVES. THIS NOW IS NOT A FIELD REPAIR, SO MO2 AND MO3 SENT TO FACTORY FOR EVALUATION. LOG CARDS/LOG BOOK DOES NOT INCLUDE TSN OR TSO OF DIFFUSER, BUT MO3. TSN HOURS - 3,975.1. CYCLES, 8,194.2. TSO HOURS = 1,049. CYCLES, 2,167.4. WAITING FOR EVALUATION REPORT.

More about the Aerosp AS 365 N2