Service difficulty report · Pump · Boeing 737823

Difficulty date
September 1, 2019
Submitted
September 3, 2019
Operation
Air carrier
Aircraft
N884NN
Make and model
Boeing 737823
Aircraft serial
33222
Aircraft time
12,041 hours, 4,680 cycles
Part
Pump
Part number
3031863001
Part serial
42054016867
Condition
Failed
Location
Nr 1 Engine
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

AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF HYDRAULIC GREEN SYSTEM OVHT ON ECAM AFTER T/O THROUGH 6K FT. GREEN SYSTEM LOW PRESSURE IAW QRH MANUAL LAND. GEAR EXTENSION G SYSTEM LOW PRESSURE G 1 ENGINE PUMP LOW PRESSURE (ECAM MESSAGE). MAINTENANCE REMOVED AND REPLACED #1 ENGINE HYDRAULIC ENGINE DRIVEN PUMP AND ENGINE PUMP CASE DRAIN FILTER IAW AMM 29-11-51 AND AMM 29-11-43 RESPECTIVELY. OPS AND LEAK CHECK GOOD.