Service difficulty report · Pump · Boeing 737990ER

Difficulty date
October 17, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
27,837 hours, 8,720 cycles
Part
Pump
Part number
8283008
Part serial
YA058669
Condition
Leaking
Location
#1 Engine
Part time
27,837 hours, 8,720 cycles
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

WHILE PERFORMING AN IDLE LEAK CHECK OF #1 ENGINE. LARGE AMOUNT OF FUEL DRAINED OUT OF FUEL PUMP DRAIN PAD. GROUNDED - YES. FUEL PUMP REMOVED PER T/C 8473002FUEL PUMP INST PER T/C 8473003 LEAK AND OPS CK GOOD.