Service difficulty report · Warning Message · Boeing 737890

Difficulty date
November 23, 2014
Submitted
November 25, 2014
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
15,169 hours, 4,566 cycles
Part
Warning Message
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
AP
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 LANDING CHECK, RECEIVED A LT PACK LIGHT, OUT WITH RESET. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONTROL BITE TEST IAW AMM 21-51-00-700-803. CONT NR 1 RAM AIR ACTUATOR FAULT OCCURED LAST FLIGHT, COULD NOT DUPLICATE ON GROUND TEST. RAN BITE TEST AGAIN NO FAULTS FOUND. PERFORMED FIM TASK 21-62 TASK 837 AND FAULT WAS FOUND TO BE INTERMITTENT.