SDR 96ZZZX4034

Service difficulty report · Compressor · Rkwell NA26540

Difficulty date
June 21, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N312NT
Make and model
Rkwell NA26540
Aircraft serial
28232
Engine
Pwa JT12A8
Part
Compressor
Condition
Binding
Location
Engine
Part time
9,217 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

COMPRESSOR VERY DIFFICULT TO ROTATE AND SPOOL DOWN VERY SHORT. INTERNAL BINDING COULD BE FELT WHEN ROTATING BY HAND. THIS IS A MULTI 9-STAGE UNIT, SO VISUAL INSPECTION/DETECTION OF A PARTICULAR PARTS FAILURE IS VERY DIFFICULT. NO FOD NOTED AND NO DAMAGE OR DEFECTS NOTED IN TURBINE HOT SECTION. ALL IN-FLIGHT AND GROUND TEST PARAMETERS NORMAL.