SDR ASAA2020052632752

Service difficulty report · Actuator · Boeing 737990ER

Difficulty date: May 23, 2020
Submitted: May 27, 2020
Operation: Air carrier
Aircraft: N435AS
Make and model: Boeing 737990ER
Aircraft serial: 43292
Aircraft time: 25,823 hours, 8,283 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Actuator
Part number: 1211313010
Part serial: APMYP406
Condition: Leaking
Location: Nr 2 Engine
Part time: 25,823 hours, 8,283 cycles
Stage of operation: IN
How discovered: O
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

NUMBER 2 ENGINE, RT VSV STATIC DRIP, 29 DROPS PER MINUTE, 2-3 DPM DYNAMIC. GROUNDED - YES. REMOVED AND REPLACED NR 2 RT VSV IAW AMM 75-31-01/401. ACCOMPLISHED IDLE LEAK CHECK IAW AMM 75-31-01-790-801-F00, LEAK CHECK GOOD. ACCOMPLISHED ACTUATOR INSTALLATION TEST IAW MM 75-31-01-800-016-F00. ACTUATORS TEST PASSED, NO FAULTS NOTED.