Service difficulty report · Fuel Heater · Boeing 737752

Difficulty date
September 18, 2016
Submitted
November 3, 2016
Operation
Air carrier
Aircraft
N851AM
Make and model
Boeing 737752
Aircraft serial
29363
Aircraft time
42,491 hours, 21,730 cycles
System (JASC)
7312 · Fuel Heater
Part
Fuel Heater
Part number
457311382
Part serial
EM155883P
Condition
Leaking
Location
Lt Engine
Part time
33,376 hours, 15,660 cycles
Stage of operation
TX
How discovered
O
Nature of condition
K
Precautionary procedure
D

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

What was found

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