Service difficulty report · Pump · Boeing 737823

Difficulty date
September 22, 2009
Submitted
September 30, 2009
Operation
Air carrier
Aircraft
N917AN
Make and model
Boeing 737823
Aircraft serial
29518
Aircraft time
30,676 hours, 12,545 cycles
Part
Pump
Part number
849589
Condition
Failed
Location
Hydraulic Sys
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

DURING GEAR RETRACTION BOTH SYSTEM A HYDRAULIC LOW PRESSURE LIGHTS ILLUMINATED FOR A SHORT TIME. UPON REACHING CRUISE ENGINE HYDRAULIC A LIGHT ILLUMINATED FOLLOWED BY QUANTITY A DECREASING TO 15 PERCENT AT LANDING. LANDED DFW WITHOUT INCIDENT. REPLACED LEFT HYDRAULIC PUMP.