Service difficulty report · Actuator · Boeing 737890

Difficulty date
October 20, 2018
Submitted
October 29, 2018
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
39,682 hours, 12,105 cycles
Part
Actuator
Part number
5416744
Part serial
1251362
Condition
Stuck
Location
Ram Air
Part time
16,427 hours, 5,928 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

RIGHT PACK OFF LIGHT IN FLIGHT. RESET MC AND LIGHT WENT OUT. PACK LIGHT COMES BACK ON WITH MC RECALL THEN RESETS OUT. GROUNDED - YES. FOUND RIGHT RAM AIR DOOR INLET ACTUATOR STUCK IN FULL EXTEND POSITION AND CONTINUALLY RUNNING. ACFT RELEASED PER MEL 21-5C. REPLACED RT RAM AIR INLET ACTUATOR IAW AMM 21-51-21. ALL OPS CHECKS GOOD AND BITE TEST PASSED PER AMM 21-61-00-700-806-002. THIS CLEARS MEL 21-5C.