Service difficulty report · Actuator · Boeing 737890

Difficulty date
June 21, 2021
Submitted
June 30, 2021
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
53,187 hours, 15,699 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
1211313010
Part serial
APMVF460
Condition
Leaking
Location
Nr 2 Eng Vsv
Part time
433 hours, 144 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

WHILE ACCOMPLISHING IDLE LEAK CHECK AFTER #2 ENGINE R&R FOUND R/H VSV ACTUATOR LEAKING FROM DRAIN MAST AT 4 DROPS PER MINUTE. GROUNDED - YES. LEAKAGE WITHIN ALLOWABLE LIMITS FOR 25 FLIGHT CYCLES PER B737-800 AMM 71-71-00-200-801-F00 FIGURE 605 SHEET 1. REMOVED #2 ENGINE RT VSV ACTUATOR REF AMM 75-31-01. INSTALLED RT #2 ENG VSV ACTUATOR REF AMM 75-31-01 OPS NORMAL REF AMM 75-31-01. LEAK CHECK GOOD.