Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
February 23, 2015
Submitted
February 25, 2015
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
5,295 hours, 1,751 cycles
Part
Actuator
Part number
676000141
Part serial
67600014588
Condition
Failed
Location
Ram Air Exhaust
Part time
5,295 hours, 1,751 cycles
Stage of operation
NR
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

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. WHILE APPLYING MEL FOUND LT AC BAY EXHAUST DUCT, TO LOUVERS, TORN. REPLACED FLEX DUCT IAW MM 21-51-24-400-801, STEP I 3, C&D, LEAK CHECKED GOOD. RAM AIR EXHAUST ACTUATOR INSTALL STEP 6 GROUND CK IS .0002 OHMS REF MM 21-51-27. REPLACED EXHAUST ACTUATOR REF MM 21-51-27-400-801 & 21-00-00-440-802. OPS & LEAK CKS NORMAL. COULD NOT DUPLICATE FAULT ON GROUND.