Service difficulty report · Actuator · Boeing 737890

Difficulty date
July 7, 2017
Submitted
July 11, 2017
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
39,414 hours, 11,744 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
1324M12P10
Part serial
APMTK026
Condition
Leaking
Location
Nr 2 Vsv
Part time
29,825 hours, 9,269 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

NR 2 ENGINE LEAKING FUEL AT 24 DROPS PM. LEFT VSV LEAKING. ACFT GROUNDED. REPLACED THE LEFT VSV ACTUATOR ON THE NR 2 ENGINE IAW AMM 75-31-01. VSV ACTUATOR LEAK TESTED GOOD. REINSTALLED HIGH STAGE VALVE IAW AMM 36-11-06. LEAK TESTED GOOD. PERFORMED TEST 12, ACTUATORS TEST IAW AMM 71-00-00-700-807-F00. TESTED OK. PERFORMED 5 MINUTE IDLE LEAK CHECK, LEAK TESTED GOOD IAW AMM 71-00-00-700-801-F00, TEST 3A.