Service difficulty report · Actuator · Boeing 737890

Difficulty date
June 11, 2018
Submitted
June 14, 2018
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
38,078 hours, 11,682 cycles
Part
Actuator
Condition
Leaking
Location
Nr 1 Vsv
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

DURING POST LEAK CHECK FOR A FUEL NOZZLE REPLACEMENT ON THE NR 1 ENGINE, FOUND RT VSV ACTUATOR LEAKING 15 DROPS PER MINUTE AT THE 6 O'CLOCK POSITION. ACFT GROUNDED. REPLACED THE VSV ACTUATOR IAW AMM 75-31-01-000-802-F00, AND AMM 75-31-01-400-802-F00. ACCOMPLISHED VSV ACTUATOR LEAK TEST IAW AMM 75-31-01-790-801-F00. LEAK CHECKED GOOD. ACCOMPLISHED TESTS FROM POWERPLANT TEST IAW TABLE TEST 12 AND TEST 3A. TEST 12 ACTUATOR TEST, OPS CHECKED GOOD, NO FAULTS. TEST 3A LEAK CHECKED GOOD.