Service difficulty report · Compressor · Cessna 525C

Difficulty date
January 16, 2019
Submitted
January 16, 2019
Operation
General aviation
Aircraft
N1MG
Make and model
Cessna 525C
Aircraft serial
525C0246
Aircraft time
1,204 hours, 924 cycles
Engine
Wilint FJ444A
Engine time
1,108 hours, 850 cycles
Part
Compressor
Part number
119345
Part serial
HW44897
Condition
Damaged
Location
Engine
Part time
722 hours, 545 cycles
Stage of operation
IN
How discovered
B
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

PILOT REPORTED LEFT ENGINE START SLIGHTLY SLOWER THAN NORMAL ACCOMPANIED BY ABNORMAL SOUND. ALL ENGINE PARAMETERS WERE NORMAL AND A TAKEOFF POWER CHECK WAS GOOD. THE AIRCRAFT WAS FLOWN TO MAINTENANCE BASE AND PILOT NOTED ONLY A VERY SMALL SPLIT IN ITT INDICATIONS. AFTER A VISUAL INSPECTION AND DOWNLOAD OF FADEC SHOWING NO ISSUES, A BORESCOPE INSPECTION WAS PERFORMED AND FOUND A BLADE MISSING FROM IP COMPRESSOR ROTOR. THIS IS THE SECOND IP COMPRESSOR BLADE LIBERATION EVENT ON THIS ENGINE.

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