Service difficulty report · Pump · Emb ERJ170200LR

Difficulty date
August 4, 2017
Submitted
August 7, 2017
Operation
Air carrier
Aircraft
N255NN
Make and model
Emb ERJ170200LR
Aircraft serial
17000664
Aircraft time
386 hours, 223 cycles
Engine
Ge CF34*
Part
Pump
Part number
4120T04P07
Part serial
ATC57323
Condition
Failed
Location
Engine Fuel
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

DURING TAKEOFF ROLL, AT ABOUT 90 KNOTS, 5 PERCENT N1 LOSS FOR ABOUT 2 SECONDS. FOLLOWED BY 5 PERCENT N1 INCREASE, ALL OTHER PARAMETERS REMAINED NORMAL REMOVED AND REPLACED THE NR 1 ENGINE FUEL PUMP IAW EMM 73-00-00, SPECIAL PROCEEDURE 002. PERFORMED OPS AND LEAK CHECKS IAW MM 72-00-00, NO DEFECTS NOTED.

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