Service difficulty report · Actuator · Boeing 737890

Difficulty date
March 16, 2021
Submitted
March 22, 2021
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
38,053 hours, 11,001 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
1211313010
Part serial
22482TPS
Condition
Faulted
Location
Nr 1 Vsv
Part time
52 hours, 12 cycles
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE ACCOMPLISHING T/C 78273000 FOUND MAINTENANCE MESSAGE 75-30401 THE VSV POSITION SIGNALS DISAGREE. SHORT TIME FAULT DEFFERED PER T/C 78273000. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE RIGHT VSV ACTUATOR PER B737-800 AMM 75-31-01 OPERATIONAL LEAK CHECKED GOOD, GROUND VERIFICATION CHECK GOOD.