Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
November 25, 2022
Submitted
November 28, 2022
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
32,181 hours, 10,224 cycles
Engine
Cfmint CFM567B27E
Part
Actuator
Part number
1211313010
Part serial
AN301
Condition
Leaking
Location
Nr 1 Vsv
Part time
10,391 hours, 3,109 cycles
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

ENGINE #1 RIGHT HAND VSV LEAKING 6 DROPS PER MINUTE. GROUNDED - YES. REMOVED #1 ENGINE RIGHT HAND VSV ACTUATOR AND INSTALLED #1 ENGINE RIGHT HAND VSV ACTATOR UP TO STEP F(5)(C) REF AMM 75-31-01 ASA 41958. COMPLETED INSTALLATION OF THE RIGHT VSV ACTUATOR PER AMM 75-31-01-400-802-FOO F(5)(D) THROUGH F(10) OPS AND LEAK CHECKS GOOD. SEAMC JOEY NOTIFIED.