Service difficulty report · Pump · Boeing 737832

Difficulty date
March 13, 2005
Submitted
March 18, 2005
Operation
Air carrier
Aircraft
N3771K
Make and model
Boeing 737832
Aircraft serial
29632
Aircraft time
9,205 hours, 4,083 cycles
Engine
Cfmint CFM567B22
Engine time
9,243 hours, 4,099 cycles
Part
Pump
Part number
849589
Part serial
MX639833
Condition
Unserviceable
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, 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 2 ENG HYDRAULIC LOW PRESSURE LIGHT ILLUMINATED. AFTER ABOUT 1 HOUR B-SYSTEM FLUID LEVEL DECREASED TO ZERO. FOUND FLUID LEAKING FOR ENG DRIVEN HYD PUMP. REPLACED ENG HYD PUMP AND ELECT HYD PUMP. REPLACED EMDP AND EDP PRESSURE FILTER AND CASE DRAIN FILTER ALONG WITH B-SYSTEM RETURN FILTER. OPS CHECK AND LEAK CHECK GOOD.