Service difficulty report · Sensor · Doug MD1030F

Difficulty date
January 7, 2010
Submitted
January 8, 2010
Operation
Air carrier
Aircraft
N312FE
Make and model
Doug MD1030F
Aircraft serial
48300
Aircraft time
53,939 hours, 17,037 cycles
Engine
Ge CF650*
Part
Sensor
Part number
473271
Part serial
SIM04830
Condition
Malfunctioned
Location
Nr 3 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

REJECTED TAKEOFF DUE TO ENGINE EXCEEDANCE, NR 3 N1 AT 131.7%. EXCEEDANCE OCCURED WHILE INITIALLY SETTING POWER FOR TAKEOFF. AIRSPEED <50 KNOTS. VIA 3 SHOWED NO EXCEEDANCES FOR NR 3 ENG. REMOVED AND REPLACED NR 3 N1 FAN TACH PER MM 77-11-01-2 . RAN NR 3 ENG IAW JRH 7-35 ALL ENGINE INDICATIONS NORMAL N-1 OPERATED NORMAL. NO DEFECTS NOTED REF MM 77-11-01-2

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