Service difficulty report · Warning Message · Boeing 737890

Difficulty date
June 9, 2018
Submitted
June 11, 2018
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
43,104 hours, 12,823 cycles
Part
Warning Message
Condition
False Activation
Stage of operation
CR
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

PRIOR TO TOP OF DESCENT, THE LT PACK LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. VERIFIED LT PACK LIGHT ILLUMINATES ON RECALL. ACCOMPLISHED FIM 21-62, TASK 801. NR 1 CONTROLLER RAM AIR ACTUATOR FAULT CLEARED. PACK LIGHT REMAINS OFF ON RECALL.