Service difficulty report · Pump · Boeing 7377H4

Difficulty date
August 3, 2021
Submitted
August 9, 2021
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
58,230 hours, 34,446 cycles
Engine
Ge CFM567B24
Part
Pump
Condition
Faulty
Location
Right
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NUMBER 2 ENG .N-1 4% LOWER THAN #1 .WOULD NOT ATTAIN FULL CLIMB POWER ; NUMBER 2 ENG. N-1 ;4% LOWER THAN #1 WOULD NOT ATTAIN FULL CLIMB POWER / [01] REF W/O 13684334 LINE #11 TASK CARD 773-11-00 HAS BEEN C/W FUEL PUMP AND HMU WERE REPLACED WITH THIS TASK CARD. RAN END TO T/O POWER NO DEFECTS NOTED

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