Service difficulty report · Warning System · Boeing 737890

Difficulty date
February 26, 2019
Submitted
April 9, 2019
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
48,703 hours, 14,318 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
IN
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

WHILE PERFORMING TASK CARD FOUND MAINT MSG NR 73-31371 FOR NR 1 ENGINE. GROUNDED - YES. EEC BITE DONE FOR ENGINE NR 1: NO FAULTS FOUND. NO ACTIVE FAULTS, NO FAULTS IN HISTORY. T49.5 PROBE TEMPERATURES ARE WITHIN TOLERANCE REF AMM 77-21-00-140-801 STEP 8. THIS CLEARS THE PLT.