Service difficulty report · Fuel Heater · Boeing 737890

Difficulty date
July 15, 2017
Submitted
July 17, 2017
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
36,362 hours, 10,972 cycles
Engine
Cfmint CFM567B27B3
Part
Fuel Heater
Part number
457311382
Part serial
EM157426
Condition
Leaking
Location
Nr 2 Engine
Part time
36,355 hours, 10,969 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 2 ENGINE, FUEL HEATER SERVO LEAKING FUEL FROM UPPER GASKET. FOUND DURING IDLE LEAK CHECK. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENG FUEL SERVO HEATER IAW AMM 73-11-07-000-801-F00 AND 73-11-07-400-801-F00. FUEL SERVO HEATER LEAK CHECKED GOOD.