Service difficulty report · Relay · Boeing 737890

Difficulty date
September 18, 2019
Submitted
September 19, 2019
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
47,245 hours, 14,088 cycles
Part
Relay
Part number
KDAGX4F001
Condition
Failed
Location
Fuel System
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

#2 FWD FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED WITH PUMP ON. GROUNDED - YES. REF TSR 703841, REMOVED #2 FWD BOOST PUMP GFI RELAY R21 PER AMM 28-22-18-000-801. INSTALLED NEW RELAY R21 PER AMM 28-22-18-400-801. PERFORMED (GFI) RELAY OPERATIONAL TEST PER AMM 28-22-41-720-802 TEST PASSED ALSO PERFORMED FUEL BOOST PUMP OPERATIONAL TEST PER AMM 28-22-41-710-801 TEST PASSED.