What was found
ENGINE SMOKING FOLLOWING REDUCTION OF POWER TO FLIGHT IDLE WAS THE OBSERVED SYMPTOM. CLOSER INSPECTION REVEALED TRACES OF OIL STREAKING FROM POWER TURBINE BLADE ROOTS. A SERVICEABLE LABYRINTH RING ASSEMBLY HAS BEEN INSTALLED. (K)
- Difficulty date
- September 1, 2008
- Submitted
- October 24, 2008
- Operation
- Air carrier
- Aircraft
- N853MH
- Make and model
- Urocop EC130B4
- Aircraft serial
- 4417
- Engine
- Tmeca ARRIEL2B1
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Labyrinth Seal
- Part number
- 0292817460
- Condition
- Leaking
- Location
- Engine
- Part time
- 190 hours
- Stage of operation
- NR
- 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.