Service difficulty report · Fuel Heater · Boeing 737852

Difficulty date
January 17, 2021
Submitted
January 28, 2021
Operation
Air carrier
Aircraft
N875AM
Make and model
Boeing 737852
Aircraft serial
36705
Aircraft time
23,795 hours, 8,886 cycles
Engine
Cfmint CFM567B27E
System (JASC)
7312 · Fuel Heater
Part
Fuel Heater
Part number
457311382
Part serial
DK768701
Condition
Leaking
Location
Left
Part time
23,799 hours, 8,888 cycles
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

AIRCRAFT RETURNED TO PLATFORM DUE TO DURING TAXING, A FUEL LEAK WAS DETECTED IN THE LEFT ENGINE. MAINTENANCE PERSONNEL PERFORMED REVISION, DETECTING THE FUEL SERVO HEATER WITH FUEL LEAK. SO THE LEFT ENGINE FUEL SERVO HEATER WAS REPLACED, IAW AMM 73-11-07 AND LEFT ENGINE WAS RUN IAW MM 71-00-00, TEST 3A, TESTED CORRECT.