Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
September 13, 2020
Submitted
September 17, 2020
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
28,168 hours, 9,063 cycles
Engine
Cfmint CFM567B27E
Part
Sensor
Part number
RP23600
Condition
Inoperative
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 2 ENG SHOWS SHORT TIME FAULT 75-30802 T25 SIGNALS DISAGREE. GROUNDED-YES. PERFORMED B737-900 FIM 75-33 TASK 801 AND FOUND T25 SENSOR BAD. REMOVED AND REPLACED T25 SENSOR ON NR 2 ENGINE, PER B737-900 AMM 73-21-02. PERFORMED GOOD OPS TEST OF T25 SENSOR, PER AMM 73-21-02-400-801.