Service difficulty report · Sensor · Boeing 7379

Difficulty date
March 1, 2023
Submitted
March 15, 2023
Operation
Air carrier
Aircraft
N931AK
Make and model
Boeing 7379
Aircraft serial
43353
Aircraft time
4,198 hours, 1,238 cycles
Part
Sensor
Part number
3640771030
Part serial
HG077161
Condition
Out Of Range
Location
#2 Engine
Part time
4,328 hours, 1,275 cycles
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

DURING ASA TC 05-020-01 FOUND REPEAT ENG 2 EEC C2 FAULT. 77-43073, N2 SENSOR OUT OF RANGE. GROUNDED - YES. REMOVED AND REPLACED ENG #2 N2 SPEED SENSOR PER B737-9 AMM 77-12-02.

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