Service difficulty report · Actuator · Boeing 737890

Difficulty date
September 21, 2014
Submitted
September 23, 2014
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
14,690 hours, 4,423 cycles
Part
Actuator
Part number
5416744
Part serial
1087718
Condition
Failed
Location
Ram Air Inlet
Part time
6,760 hours, 1,929 cycles
Stage of operation
AP
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

DURING LANDING CHECK, DURING RECALL, MASTER CAUTION, DEPRESSED, RT PACK LIGHT ILLUMINATED. PACK LIGHT RESET WHEN MASTER CAUTION DEPRESSED A SECOND TIME. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER REPORTS RT RAM AIR INLET ACTUATOR FAILED. R & R RT RAM AIR INLET ACTUATOR IAW AMM TASK 21-51-21-401. ZONE TEMP CONTROLLER BITE TEST GOOD.