Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
November 19, 2022
Submitted
November 29, 2022
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
33,350 hours, 10,518 cycles
Engine
Cfmint CFM567B27E
Part
Actuator
Part number
1324M12P10
Part serial
APMYR190
Condition
Leaking
Location
#2 Eng Vsv
Part time
33,394 hours, 10,533 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 FOUND #2 ENGINE FUEL LEAK. GROUNDED - YES. PERFORMED FUEL LEAK TEST REF B737-900 AMM 75-31-01. OBSERVED IT HAS 60 DRIPS PER MIN AT START LH VSV. PERFORMED ENGINE RUN FOR 5 MINS REF AMM 71-00-00. OBSERVED NO LEAKS NOTED ON LH VSV OR ANY DRAIN LEAK. CHECK GOOD. REMOVED AND REPLACED #2 ENG LH VSV IAW AMM 75-31-01/401. ACTUATOR AND IDLE LEAK CHECK OF VSV GOOD. ORIG SUB DATE: 11/23/2022