Service difficulty report · Actuator · Boeing 737890

Difficulty date
November 10, 2019
Submitted
November 13, 2019
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
45,020 hours, 13,574 cycles
Part
Actuator
Part number
5416744
Part serial
11640
Condition
Failed
Location
Right Ram Air
Part time
46,436 hours, 15,425 cycles
Stage of operation
DE
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

PUSHING RECALL AT TOP OF DESC. THE RIGHT PACK LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED BITE TEST, RAM AIT ACT LOGGED AS FAULT. REMOVED AND REPLACED R/H RAM AIT DOOR ACTUATOR, OPS NML REF B737-800 AMM 21-51-21-400-801. PACK/ZONE TEMP CONTROLLER BITE TEST PASSED REF AMM 21-61-00-700-806-002.