SDR PNSA060804

Service difficulty report · Turbine Blades · Cessna 208B

Difficulty date
August 15, 2006
Submitted
September 21, 2006
Operation
Air carrier
Aircraft
N9310F
Make and model
Cessna 208B
Aircraft serial
208B0490
Aircraft time
8,274 hours, 10,169 cycles
Engine
Pwa PT6A114
Engine time
8,164 hours, 10,090 cycles
Part
Turbine Blades
Part number
3013411
Part serial
15B040
Condition
Failed
Location
Engine
Part time
10,100 cycles
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
E, B, A

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

What was found

IN CRUISE AT 9000 FT, PILOT HEARD A LOUD GRINDING NOISE & ENGINE LOST ALL POWER. DECLARED AN EMERGENCY, ATTEMPTED ENGINE RESTART, NO SUCCESS. STARTER WAS ENGAGED NG SHOWED NO ROTATION & INSTRUMENT LIGHTS DIMMED. PROP FEATHERED, NORMAL LANDING. PRELIMARY REPORT FROM MX, METAL FOUND IN OIL FILTER. ENGINE HAD A STATIC PROP STRIKE 3/27/2006 498 HRS PREVIOUSLY THAT REQUIRED PROP TO BE CHANGED. ENGINE INSPECTED PER MM 72-00-00 PG 641 & RETURNED TO SERVICE. ENGINE HAD 1321.8 HOURS REMAINING TO 6000 HR OVERHAUL & IS OPERATED WITH ON CONDITION HOT SECTION. OIL FILTER WAS LAST INSPECTED 8/13/2006 14 HRS PREVIOUSLY, NO DEFECTS FOUND. SEPTEMBER 19, 2006 THE ENGINE WAS SPLIT AT THE "C" FLANGE TO ACCESS THE CT DISK.

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