Service difficulty report · Pump · Boeing 737890

Difficulty date
April 14, 2021
Submitted
April 15, 2021
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
53,610 hours, 15,707 cycles
Part
Pump
Part number
66087
Part serial
K2154
Condition
Leaking
Location
#2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

#2 ENGINE "B" SYSTEM HYDRAULIC PUMP LEAKING FROM GEARBOX. GROUNDED - YES. REPLACED #2 ENG DRIVEN HYD PUMP REF B737-800 AMM 29-11-11-400-801-001 OPS/LEAK CK GOOD.