SDR 99ZZZX3976

Service difficulty report · Rotor Assy · Amd FALCON50MYST

Difficulty date
August 9, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N881M
Make and model
Amd FALCON50MYST
Aircraft serial
83
Engine
Garrtt TFE73131C
Part
Rotor Assy
Part number
30740971
Condition
Worn
Location
Power Turbine
Stage of operation
IN
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

UPON DISASSEMBLY OF ENGINE, 3RD LPT ROTOR ASSY, PN 3074097-1, SN 965332200333 ROTOR, TSN 1,309.6 HOURS, CSN, 921, WAS NOTED TO HAVE BEEN RUB-DAMAGED ON FORWARD SIDE OF ROTOR DISK JUST INSIDE OF BLADE RETENTION RIVET AREA (FIR TREE). DAMAGE APPEARS TO BE FROM CONTACT WITH 3RD LPT STATOR ASSY SEAL. STATOR, PN 3072342-4, SN 2-01334-192. ALLIED SIGNAL AEROSPACE, ENGINEERING DEPT., HAS BEEN ADVISED OF THIS CONDITION. ENG, SN P76387. TSN: 8,081.5 HOURS. CSN: 5,635.