Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
June 15, 2014
Submitted
June 17, 2014
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
2,375 hours, 757 cycles
Part
Actuator
Part number
676000141
Part serial
67600014865
Condition
Malfunctioned
Location
Ram Air
Part time
2,340 hours, 745 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RIGHT "PACK" LIGHT ILLUMINATED WHILE IN CRUISE. SELECTED HIGHER TEMP IAW QRH PACK RESET FOR A FEW MIN BUT THAN TRIPPED AGAIN PACK WAS THEN SHUTOFF. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROL BITE FOUND SRADA EXIT FAULT. REPLACED RAM AIR EXHAUST ACTUATOR IAW 21-51-21-400, OPS CHECK GOOD.