Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
July 21, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
32,293 hours, 10,412 cycles
Engine
Cfmint CFM567B27E
Part
Actuator
Part number
1211313010
Part serial
WA211
Condition
Faulted
Location
Nr 1 Eng Vsv
Part time
3,721 hours, 1,161 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

FOUND #1 ENGINE SHORT TERM FAULT 75-10401 THE VSV POSITION SIGNALS DISAGREE. GROUNDED - YES. REF DEFECT # 60175997 FOR TROUBLESHOOTING AND REPLACEMENT OF THE #1 ENG R/H VSV ACTUATOR. THIS CLEARS PLT DEFFERAL, C/N 21004402 REMOVED, SEAMC ANDY CONTACTED.