Service difficulty report · Harness · Boeing 737990ER

Difficulty date
October 5, 2022
Submitted
October 10, 2022
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
24,039 hours, 7,535 cycles
Engine
Cfmint CFM567B27E
Part
Harness
Part number
3250435030
Condition
Faulty
Location
#2 Engine
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

WHILE ACCOMPLISHING ASA T/C 78273000, FOUND FAULT CODE 75-30452 VBV POSITION SIGNALS DISAGREE (SHORT TERM) ON ENG #2. GROUNDED - YES. REMOVED AND REPLACED J10 HARNESS. REF B737-900 AMM 73-21-06.