Service difficulty report · Compressor · Doug DC1030

Difficulty date
January 3, 2007
Submitted
September 13, 2007
Operation
Air carrier
Aircraft
N720AX
Make and model
Doug DC1030
Aircraft serial
48252
Aircraft time
77,557 hours, 20,073 cycles
Engine
Ge CF650C2B
Engine time
65,151 hours, 12,904 cycles
Part
Compressor
Condition
Damaged
Location
Engine
Stage of operation
TO
How discovered
O
Nature of condition
R, J
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 ENGINE FAILED ON TAKEOFF ROLL AT 70KTS TAKEOFF ABORTED. N1 WAS 103.0 EGT PEGGED. RAN ENGINE FIRE SEVERE DAMAGE CHECK LIST NO FIRE. R & R NR 2 ENGINE IAW 10UN-201. ENGINE S/N 517-533 INSPECTION REVEALED NO SIGNS OF FOD TO THE COMPRESSOR SECTION BUT HEAVY IMPACT DAMAGE EXTENDING TO STG 4 LPT. 5 EA STAGE 1 NOZZLE SEGMENTS HAD LOST RETENTION AND HAD GONE IN CONTACT WITH THE STAGE 1 ROTOR BLADES.

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