SDR 2015FA0000057

Service difficulty report · Carbon Seal · Amd FALCON200

Difficulty date: January 18, 2015
Submitted: February 10, 2015
Operation: General aviation
Aircraft: N200CU
Make and model: Amd FALCON200
Aircraft serial: 499
Aircraft time: 9,086 hours, 5,527 cycles
Engine: Garrtt ATF36
Engine time: 5,559 hours, 4,080 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Carbon Seal
Condition: Failed
Location: Nr 1 Engine
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: E, G

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

What was found

DURING DESCENT, CREW NOTICED SLIGHT RISE IN OIL TEMP AND PRESSURE IN NR 1 ENGINE, AND STARTED TO GET OIL SMELL AND HAZE IN THE CABIN. CREW SHUTDOWN NR 1 ENGINE AND DEPLOYED O2 MASKS AS A PRECAUTION AND LANDED WITH NO FURTHER PROBLEMS. SUBSEQUENT VISUAL INSPECTION REVEALED SIGNS OF NR 4 CARBON SEAL FAILURE. ENGINE TO BE REMOVED FOR FURTHER INSPECTION AND TEAR DOWN IN THE FUTURE. SPARE ENGINE WILL BE INSTALLED.