Service difficulty report · Pump · Boeing 7572B7

Difficulty date
June 14, 2016
Submitted
June 16, 2016
Operation
Air carrier
Aircraft
N940UW
Make and model
Boeing 7572B7
Aircraft serial
27805
Aircraft time
70,016 hours, 25,950 cycles
Engine
Rroyce RB211535E4
Engine time
56,561 hours, 19,747 cycles
Part
Pump
Part number
BPU200MK2
Part serial
B220
Condition
Defective
Location
Nr 2 Engine
Part time
63,533 hours, 21,547 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RETURNED TO DEPARTURE, AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A RT ENGINE LOW PRESSURE PUMP STATUS MESSAGE OCCURRED AT FL 24000, 1 CHANNEL AND RETURNED TO DEPARTURE. MAINTENANCE REPLACED THE NR 2 ENGINE LOW PRESSURE FUEL PUMP AND THE FUEL PRESSURE SWITCH IAW AMM 73-11-01-004-003-ROO AND AMM 73-35-01-404-017-ROO. A SATISFACTORY LEAK AND OPS CHECK WAS ACCOMPLISHED IAW AMM 71-00-00-700-804 R3.

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