Service difficulty report · Pump · Boeing 737790

Difficulty date
February 7, 2020
Submitted
February 10, 2020
Operation
Air carrier
Aircraft
N560WN
Make and model
Boeing 737790
Aircraft serial
30542
Aircraft time
64,634 hours, 31,216 cycles
Part
Pump
Part number
849589
Part serial
MX644144
Condition
Failed
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

DECLARED EMERGENCY-------------------------------------------------------#1 ENGINE DRIVEN HYDRAULIC PUMP FAIL. / R&R #1 ENGINE DRIVEN HYDRAULIC PUMP IAW AMM.