Service difficulty report · Overheat Sensor · Boeing 737890

Difficulty date
August 23, 2019
Submitted
August 27, 2019
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
50,031 hours, 14,748 cycles
Part
Overheat Sensor
Condition
False Indication
Location
Nr 1 Engine
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

B LOOP ENG #1 OVERHEAT DETECT LIGHT INOP. GROUNDED - YES. FOLLOWED FIM 26-10 TASK 801. NO FAULTS RECORDED. PERFORMED APU/ENG. FIRE & OVRHT OP CHK IAW AMM 26-10-00. OP CHECK GOOD. PERFORMED FIRE DETECTOR INPS. IAW AMM 26-11-01 ENG #1 NO DEFECTS NOTED. ALT. DEACTIVATION PROC. RETURNED TO NORMAL CONFIG.