Service difficulty report · Actuator · Boeing 737890

Difficulty date
September 15, 2019
Submitted
September 16, 2019
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
50,256 hours, 14,822 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
1226400
Part serial
YU0255154
Condition
Leaking
Location
Nr 2 Engine
Part time
59,965 hours, 20,719 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

#2 ENGINE HAS RECENT HISTORY OF FUEL LEAK AT ENGINE START. DUE TO TIME ON VSV ACTUATOR TECH SERVICES REQUESTS REPLACEMENT. GROUNDED - YES. NO ENGINE VENTS AND DRAINS INSPECTION PERFORMED. PERFORMED LEAKS AND DRAINS INSPECTION, FOUND LEFT VBV ON #2 ENG TO BE LEAKING REF AMM TASK 71-71-00-200-801-F00. REMOVED AND REPLACED LEFT VBV ON #2 ENG REF AMM 75-32-02-00-801 AND AMM 75-32-02-400-801. PERFORMED LEAK CHECK NO LEAKS NOTED. PERFORMED ACTUATORS TEST AMM 71-00-00-700-807 OPS CHECK GOOD.