Service difficulty report · Warning System · Boeing 737890

Difficulty date
March 4, 2020
Submitted
March 10, 2020
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
47,871 hours, 13,987 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
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

ON RECALL, RIGHT PACK LIGHT ILLUMINATED EXTINGUISHES WITH RESET OF MASTER CAUTION. GROUNDED - YES. FOUND RIGHT PACK ACTUATOR FAULT, A/C CHECKED AND RELEASED IAW MEL 21-32B, PRIMARY RIGHT PACK TEMP CONTROL INOP. PERFORMED PACK TEMP CONTROL BITE. NO FAULTS IN PREV FLTS AND VERIFY TEST PASSES. FAULT IS NOT ACTIVE. CLEARS MEL 21-32B.