Service difficulty report · Heater · Boeing 737890

Difficulty date
December 19, 2015
Submitted
December 22, 2015
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
28,947 hours, 8,890 cycles
System (JASC)
7312 · Fuel Heater
Part
Heater
Part number
457311382
Part serial
EM157995
Condition
Leaking
Location
Fuel System
Part time
28,947 hours, 8,890 cycles
Stage of operation
IN
How discovered
V
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

DURING NR 2 ENGINE LEAK CHECK FOR OTHER MAINTENANCE, FOUND FUEL SERVO LEAKING AT TOP SPLIT LINE. ACFT GROUNDED. REMOVED NR 2 ENGINE SERVO FUEL HEATER IAW AMM 73-11-07. INSTALLED REPLACEMENT, TESTED NR 2 ENGINE SERVO FUEL HEATER IAW AMM 73-11-07-400-801-F00 AND TESTED REF AMM 71-00-00-800-811-F00, TABLE 502.