Service difficulty report · Actuator · Boeing 737890

Difficulty date
January 10, 2020
Submitted
January 16, 2020
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
46,410 hours, 13,860 cycles
Part
Actuator
Part number
5416744
Part serial
13335
Condition
Faulted
Location
Lt Ram Air Inlet
Part time
38,654 hours, 12,339 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

LEFT PACK LIGHT ILLUMINATED WHEN RECALL PUSHED, EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. RAN FIM 21-62 TASK 837, AND FOUND THE LT PACK RAM AIR ACTUATOR FAULTING. REMOVED AND REPLACED THE LT RAM AIR ACTUATOR IAW AMM 21-51-21-400-801, OPS CHECKED GOOD.