Service difficulty report · Pump · Boeing 737823

Difficulty date
December 7, 2008
Submitted
February 9, 2009
Operation
Air carrier
Aircraft
N907AN
Make and model
Boeing 737823
Aircraft serial
29509
Aircraft time
28,726 hours
Part
Pump
Part number
849589
Condition
Faulted
Location
Hyd System
Stage of operation
CR
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

DFW INFLIGHT - CREW REPORTED NUMBER TWO HYDRAULIC LOW PRESSURE INDICATION INTERMITTENTLY FOLLOWED BY NUMBER ONE HYDRAULIC LOW PRESSURE INDICATION. LANDED DFW WITHOUT INCIDENT. REPLACED NUMBER ONE AND TWO ENGINE DRIVEN PUMP AND CASE DRAIN FILTERS. SYSTEM GROUND CHECKED NORMAL OPERATION.