Service difficulty report · Heat Exchanger · Boeing 737990ER

Difficulty date
September 13, 2023
Submitted
September 15, 2023
Operation
Air carrier
Aircraft
N462AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
34,719 hours, 10,941 cycles
System (JASC)
7312 · Fuel Heater
Part
Heat Exchanger
Part number
453328039
Part serial
YB044169
Condition
Leaking
Location
#2 Engine
Part time
34,734 hours, 10,947 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

PILOT REPORTS FUEL LEAK #2 ENGINE. GROUNDED - YES. (RESOLVED ON W/O: 1969467 TASKCARD: N/R-00001 ) REPLACED MAIN OIL/FUEL HEAT EXCHANGER PER AMM 79-21-02. REPLACED SERVO FUEL HEATER PER AMM 73-11-07. RIUN UP AND IDLE LEAK CHECK FOUND OKAY. THIS CLEARS PLT SEAMC NOTIFIED.