Service difficulty report · Heat Exchanger · Boeing 737890

Difficulty date
May 8, 2014
Submitted
May 12, 2014
Operation
Air carrier
Aircraft
N512AS
Make and model
Boeing 737890
Aircraft serial
39043
Aircraft time
22,124 hours, 6,759 cycles
Engine
Cfmint CFM567B273
Part
Heat Exchanger
Condition
Leaking
Location
Fuel/Oil
Stage of operation
TX
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

NR 2 ENGINE LEAKING FUEL. ACFT GROUNDED. DETERMINED FUEL LEAK TO BE FROM MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN. LEAK IS APPROXIMATELY 5 DROPS PER MINUTE, DURING ENG RUN AND WITH ENG SHUTDOWN, WITHIN THRESHOLD LIMITS IAW AMM 71-71-00-790-007-F00. ON DEFERRAL.