Service difficulty report · Warning Light · Boeing 737890

Difficulty date
February 16, 2017
Submitted
February 23, 2017
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
35,400 hours, 10,703 cycles
Part
Warning Light
Condition
False Activation
Location
Ram Air Actuator
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

FL 380, LEFT RAM DOOR FULL OPEN LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED FIM 21-51, TASK 803. OPS CHECKED NORMAL TWICE. ACCOMPLISHED PACK ZONE TEMP CONTROL BITE IAW FIM 21-62, TASK 801. LEFT PACK CONTROLLER SHOWED PREVIOUS FLIGHT HISTORY OF A RAM AIR ACTUATOR FAULT. CLEARED UPON VERIFICATION CHECK AND DID NOT RETURN. GROUND VERIFICATION SUCCESSFUL.