Service difficulty report · Actuator · Boeing 737890

Difficulty date
July 5, 2011
Submitted
July 12, 2011
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
13,612 hours, 4,338 cycles
Part
Actuator
Part number
5416744
Part serial
12048
Condition
Failed
Location
Ram Air Door
Part time
13,612 hours, 4,338 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

RT RAM AIR DOOR ACTUATOR CONTINUES TO RUN. RAM AIR DOORS AT INTERMEDIATE POSITION. BLUE LIGHT OUT ON FLT DECK. REPLACED RT RAM AIR INLET ACTUATOR PER AMM 21 51 21. PERFORMED PACK/ZONE TEMP CNTRL. BITE TWO TIMES ON BOTH PACKS. NO FAULTS NOTED.