SDR 99ZZZX3682

Service difficulty report · Turbine Rotor · Hwksly DH125400A

Difficulty date
September 2, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N745TS
Make and model
Hwksly DH125400A
Aircraft serial
NA745
Engine
Garrtt TFE7313
Part
Turbine Rotor
Part number
30740962
Condition
Worn
Location
Engine
Part time
5,930 hours
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

AT DISASSEMBLY FOR MAJOR PERIODIC INSPECTION. NOTED RUB ON FORWARD FACE OF LPT ROTOR IN ONE AREA OF THE ROOT SURFACE. FOUND 3RD STAGE LPT SEAL CAUSE OF RUB. ALLIED SIGNAL HAS SUBMITTED SB 72-3654 FOR REWORK OF 3RD STAGE LPT SEAL TO CORRECT PROBLEM. LAST HOT SECTION ENTRY: TT 5,220.3 HOURS. CYCLES, 2,877.