Service difficulty report · Actuator · Boeing 737890

Difficulty date
July 26, 2011
Submitted
July 28, 2011
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
19,447 hours, 5,780 cycles
Part
Actuator
Part number
5416744
Part serial
11491
Condition
Malfunctioned
Location
Rt Ram Air
Part time
19,468 hours, 5,787 cycles
Stage of operation
IN
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

AFTER ENGINE START NR 2 PACK LIGHT ILLUMINATED AFTER RECALL AND EXTINGUISHED AFTER MASTER CAUTION RESET. PERFORMED FIM TASK 21 53 00 810 804. ZONE TEMP CONTROLLER BITE LOGGED RIGHT RAM AIR ACTUATOR FAULT. REPLACED RIGHT RAM AIR ACTUATOR IAW AMM 21 51 21 PAGEBLOCK 401. ZONE TEMP CONTROLLERS BITE NORMAL. RIGHT PACK OPS CHECK NORMAL ON GROUND WITH NO PACK LIGHT ILLUMINATED.