Service difficulty report · Actuator · Boeing 737890

Difficulty date
December 6, 2018
Submitted
December 11, 2018
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
33,969 hours, 10,070 cycles
Part
Actuator
Part number
5416744
Part serial
884297
Condition
Inoperative
Location
Ram Air Exhaust
Part time
15,676 hours, 4,558 cycles
Stage of operation
TX
How discovered
9
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

AFTER ENGINE START ON RECALL THE RIGHT PACK LIGHT CAME ON AND WENT OUT WHEN MC WAS PRESSED. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE TEST REF FIM 21-62 TASK 801. #2 CONTROLLER LOG FAULT RAM AIR ACTUATOR. WILL NOT RESET. REMOVED/REPLACED #2 RAM AIR ACTUATOR REF B737-800 AMM 21-51-21. OPS CHECK GOOD. NO FAULTS ON RECALL. PACK TEMP CONTROL BITE TEST NORMAL.