SDR ASAA2019082930600

Service difficulty report · Actuator · Boeing 737890

Difficulty date: August 29, 2019
Submitted: September 4, 2019
Operation: Air carrier
Aircraft: N538AS
Make and model: Boeing 737890
Aircraft serial: 41188
Aircraft time: 28,790 hours, 8,309 cycles
Engine: Cfmint CFM567B27
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Actuator
Part number: 1324M12P10
Part serial: APMYW102
Condition: Failed
Location: Nr 1 Engine
Part time: 28,790 hours, 8,309 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

#1 ENG RT VSV ACTUATOR LEAKING. GROUNDED - YES. RIGHT VSV ACTUATOR REMOVAL UP TO 5.F(1) REF AMM TASK 75-31-01-000-802-F00. COMPLETED REMOVAL OF RIGHT VSV ACTUATOR ON #1 ENGINE REF AMM 75-31-01-000-802-F00. REPLACED RIGHT VSV ACTUATOR ON #1 ENGINE PER TASK 75-31-01-400-802-F00 UP TO STEP 6.F.(8), AND TASK 75-31-01-790-801-F00 STEP 7.F.(5) B.W. COMPLETED AMM TASK 75-31-01-400-802-F00- RIGHT VSV ACTUATOR INSTALLATION AND AMM TASK 75-31-01-790-801-F00 VSV ACTUATOR LEAK TEST. NO DEFECTS NOTED.