Service difficulty report · Sensor · Boeing 767316

Difficulty date
November 25, 2018
Submitted
November 26, 2018
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316
Aircraft serial
27615
Aircraft time
85,246 hours, 18,136 cycles
Part
Sensor
Part number
1383MK18P02
Part serial
28770
Condition
Unknown
Location
Lt Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LEFT ENGINE N1 FLUCTUATING UN COMMANDED PLUS OR MINUS 5% ESPECIALLY AROUND 40-60% WITH AUTO THROTTLES OFF(<P>PERFORMED FIM 77-12-FT807 NO FAULTS FOUND REPLACED LEFT ENG N1 SENSOR IAW 767MM 77-12-01 OPS AND LEAK CHECKED GOOD </P>)