Service difficulty report · Heat Exchanger · Boeing 737890

Difficulty date
January 15, 2017
Submitted
January 19, 2017
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
37,819 hours, 11,213 cycles
Part
Heat Exchanger
Part number
118411934
Part serial
YY083564
Condition
Leaking
Location
Nr 2 Engine
Part time
37,859 hours, 11,229 cycles
Stage of operation
TX
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

ON WALK AROUND FOUND NR 2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN TO BE LEAKING, 65 DROPS PER MINUTE. (STATIC). ACFT GROUNDED. REMOVED AND REPLACED SERVO FUEL HEATER IAW AMM 73-11-07-000-801-F00 AND AMM 73-11-07-400-801-F00. LEAK CHECKED GOOD.