Service difficulty report · Actuator · Boeing 737890

Difficulty date
April 23, 2012
Submitted
April 25, 2012
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
15,729 hours, 5,035 cycles
Engine
Cfmint CFM567B27
Part
Actuator
Part number
5416744
Part serial
12600
Condition
Seized
Location
Ram Air Door
Part time
15,740 hours, 5,038 cycles
Stage of operation
DE
How discovered
O
Nature of condition
P
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT "RAM DOOR FULL OPEN" LIGHT DOES NOT ILLUMINATE ON DESCENT AND LANDING. LEFT RAM DOOR ACTUATOR SEIZED STUCK FULLY EXTENDED. R & R LT INLET ACTUATOR REF AMM 21 51 12. OPS CKD GOOD.