Service difficulty report · Pump · Boeing 737247

Difficulty date
December 18, 2004
Submitted
December 20, 2004
Operation
Air carrier
Aircraft
N373DL
Make and model
Boeing 737247
Aircraft serial
23520
Aircraft time
46,647 hours, 36,537 cycles
Part
Pump
Part number
623337
Part serial
MX494350
Condition
Failed
Location
A-Hyd System
Stage of operation
CR
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

LOSS OF A-SYSTEM HYDRAULIC PRESSURE IN FLIGHT. REPLACED BOTH ENGINE PUMPS DUE A-SYSTEM CONTAMINATION.