Service difficulty report · Pump · Doug DC873F

Difficulty date
September 4, 2009
Submitted
September 4, 2009
Operation
Air carrier
Aircraft
N804DH
Make and model
Doug DC873F
Aircraft serial
46124
Aircraft time
87,538 hours, 31,791 cycles
Engine
Ge CFM562C1
Engine time
7,477 hours, 2,666 cycles
Part
Pump
Part number
6411194
Part serial
FB65760AB
Condition
Worn
Location
Nr 4 Engine
Part time
7,724 hours, 2,727 cycles
Stage of operation
CL
How discovered
O
Nature of condition
X, J
Precautionary procedure
O

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

What was found

NR 4 ENG FLAMOUTED, PASSING FL350 IN CLIMB. ATTEMPTED RESTART AT FL350 UNSUCCESSFUL ATTEMPTED. ATTEMPED 2ND RESTART DURING DECENT TO CVG AT FL220. ATTEMPTED UNSECCESSFUL. OIL PRESSURE 3-5 PSI TIME OF FAILER 0430Z. LAND AT 0613. PERFORMED FAULT ISOL 51 IN MM 71-00-00 PG 101-104 REF ITEM 2M L.P. A015046 R&R NR 4 ENG PUMP PER MM 73-10-1, PERFORMED MPA RUN ALL OPS CHECKS NORMAL PER JRH, CHECK FUEL PUMP IMPELLER ROTATION AND FUEL PUMP PRESSURE CHECK PER MM 73-11-10 ALL OPS CHECKS SERVICABLE. ACFT WAS GROUNDED.

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