Service difficulty report · Warning System · Boeing 737890

Difficulty date
March 20, 2018
Submitted
March 21, 2018
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
40,287 hours, 11,927 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
DE
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

LEFT PACK ILLUMINATED ON DESCENT WHEN RECALL WAS PRESSED. LIGHT CLEARED WHEN MASTER CAUTION PRESSED. GROUNDED - YES. PERFORMED PACK TEMPERATURE CONTROL-BITE PROCEDURE REF FIM 21-62 TASK 801. RESET AFTER VERIFIED. CHECKED GOOD ON SIX PACK. NO FAULT NOTED. OPS NORMAL.