Service difficulty report · Actuator · Boeing 737890

Difficulty date
July 9, 2019
Submitted
July 10, 2019
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
47,746 hours, 14,276 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
1324M12P10
Part serial
AL569
Condition
Leaking
Location
Nr 2 Engine
Part time
915 hours, 268 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

FUEL DRIPPING FROM VENT ON #2 ENGINE COWLING. GROUNDED - YES. REMOVED #2 ENG LEFT VSV ACTUATOR AND HIGH STAGE VALVE PER AMM 75-31-01-000-801. INSTALLED #2 ENG LT VSV ACT PER AMM 75-31-01-400-801 F00. ACCOMPLISHED VSV ACTUATOR LEAK TEST PER AMM 75-31-01-790-801-F00 STEPS 7E & 7F. INSTALLED HIGH STAGE VALVE PER AMM 36-11-06-400-801 STEP 3E & 3F. COMPLETED VSV AND HIGH STAGE VALVE INSTALL TEST PER AMM 75-31-01-790-801 & 36-11-06-400-801. TEST PASSED.