SDR 9803396740

Service difficulty report · Epr Indication · Boeing 747251F

Difficulty date
February 25, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N640US
Make and model
Boeing 747251F
Aircraft serial
23888
Engine
Pwa JT9D7J
Part
Epr Indication
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
TO
Nature of condition
R
Precautionary procedure
C, D

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

What was found

DURING TAKEOFF ROLL, THE NR 1 ENGINE WOULD NOT REACH TAKEOFF EPR WITHOUT EXCEEDING THE EGT REDLINE. THE MAXIMUM EPR REACHED WAS 1.30. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE CLEANED THE EPR TRANSMITTER AND INDICATOR CONNECTIONS AND PERFORMED AN ENGINE BLEED CHECK PER MM 75-32-00 WITH NO DEFECTS NOTED. THE AIRCRAFT RETURNED TO SERVICE. EXACT PART CAUSING DIFFICULTY TO BE DETERMINED.