Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
October 16, 2021
Submitted
October 21, 2021
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
29,547 hours, 9,493 cycles
Engine
Cfmint CFM567B27E
Part
Actuator
Part number
1324M12P10
Part serial
APMYN964
Condition
Leaking
Location
#2 Engine
Part time
29,593 hours, 9,507 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

DURING PDC WALK AROUND FOUND #2 ENG LEAKING FUEL. FOUND RIGHT VSV LEAKING FUEL 15 DROPS A MINUTE. PERFORMED #2 ENGINE IDLE POWER RUN FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. COMPONENT TO BE REPLACED WITHIN 25 FLIGHT CYCLES REF B737-900 AMM 71-71-00-200-801-F00. GROUNDED - YES. REMOVED AND REPLACED #2 ENG VSV ACTUATOR, RIGHT HAND SIDE REF B737-900 AMM 75-31-01-000-802-F00/AMM 75-31-01-400-802-F00. LEAK & OPS CHECKED GOOD REF AMM 75-31-01-790-801-F00.