Service difficulty report · Compressor · Cessna 525B

Difficulty date
January 17, 2025
Submitted
January 18, 2025
Operation
General aviation
Aircraft
N753JS
Make and model
Cessna 525B
Aircraft serial
0100
Aircraft time
3,620 hours, 2,515 cycles
Engine
Wilint FJ443A
Engine time
3,600 hours, 2,504 cycles
Part
Compressor
Part number
69026
Part serial
HW20192
Condition
Damaged
Location
Engine
Part time
3,600 hours, 2,504 cycles
Component
Engine · Wilint · FJ443A
Component part number
67000200
Stage of operation
IN
How discovered
V
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

WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-3A, SERIAL NUMBER 141208, FROM AIRCRAFT 525B-0100 (N753JS), WAS RETURNED TO THE REPAIR STATION FOR UNSCHEDULED REPAIR. AIRCRAFT OPERATOR SQUAWKED AN OIL CONSUMPTION ISSUE AND BLEED ODOR ISSUE ISOLATED TO THIS ENGINE. ENGINE OEM PRODUCT SUPPORT TROUBLESHOT THE ISSUE WITH AN AIRCRAFT OEM MOBILE SERVICE TECHNICIAN, WHICH DETERMINED AN OIL CONSUMPTION RATE ABOVE LIMITS ALLOWED BY THE ENGINE MANUAL. ENGINE OEM DIRECTED THE TECHNICIAN TO REMOVE THE ENGINE AND SEND IT TO OUR REPAIR STATION FOR REPAIR. AFTER INDUCTION OF THE ENGINE INTO OUR REPAIR STATION, DISASSEMBLY OF THE ENGINE REVEALED ONE LIBERATED 3RD-STAGE INTERMEDIATE PRESSURE COMPRESSOR (IPC) ROTOR BLADE. NOTE: THE IPC ROTOR IS A THREE-STAGE AXIAL COMPRESSOR.

More about the Cessna 525B