Service difficulty report · Actuator · Boeing 737890

Difficulty date
February 27, 2011
Submitted
March 1, 2011
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
14,889 hours, 4,487 cycles
Part
Actuator
Part number
541674
Part serial
11911
Condition
Faulty
Location
Ram Air Door
Part time
14,900 hours, 4,489 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

RIGHT PACK LIGHT ILLUMINATED ON RECALL GOES OUT WITH MASTER CAUTION RESET. BITE CHECK BOTH CONTROLLERS SHOW NR 2 CONTROLLER RAM "ACT" FAULT. WILL NOT RESET. PERFORMED FIM TASK 21 62 00 810 836 REPLACED RIGHT RAM AIR DOOR ACTUATOR PER M/M 21 51 21 400 801. OPS CHECK GOOD. PERFORMED PACK FLOW CONTROL AND PACK COOLING SYSTEM TEST PER M/M 21 51 00. OPS CHECK GOOD.