Service difficulty report · Connector · Boeing 737900ER

Difficulty date
June 1, 2022
Submitted
June 3, 2022
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737900ER
Aircraft serial
41732
Aircraft time
34,669 hours, 11,000 cycles
Engine
Cfmint CFM567B27E
Part
Connector
Part number
UNKNOWN
Condition
Faulty
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

#2 ENGINE EEC LIGHT ILLUMINATES AFTER START. GROUNDED - YES. #2 ENGINE SHOWS FAULT 75-30582, THE TBV DEMAND AND POSITION SIGNALS DISAGREE. PERFORMED ACTUATORS TEST PER B737-900 AMM 71-22-23 TEST 12 TEST FAILS SAME FAULT. ACCOMPLISHED B737-900 FIM 75-23 TASK 801, RANG WIRES AT CONNECTORS DPO505, DPO606, CHECK GOOD. GVI OF HARNESS CONNECTORS IS GOOD.

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