Service difficulty report · Pump · Boeing 737823

Difficulty date
June 1, 2009
Submitted
July 1, 2009
Operation
Air carrier
Aircraft
N920AN
Make and model
Boeing 737823
Aircraft serial
29521
Aircraft time
29,258 hours
Part
Pump
Condition
Malfunctioned
Location
Hydraulic Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

IAD - DURING FLIGHT THE NUMBER 1 AND 2 HYDRAULIC LOW PRESSURE ANNUNCIATOR ILLUMINATED. REPLACED B-SYSTEM HYDRAULIC PUMP AND INSTALLED RETURN AND PRESSURE FILTERS. SYSTEM GROUND CHECK NORMAL OPERATION.