Service difficulty report · Actuator · Boeing 737890

Difficulty date
January 30, 2022
Submitted
February 2, 2022
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
50,899 hours, 15,095 cycles
Part
Actuator
Part number
5416744
Part serial
698114
Condition
Faulty
Location
R Ram Air Inlet
Part time
63,529 hours, 38,640 cycles
Stage of operation
NR
How discovered
V
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 LIGHT ILLUMINATES ON RECALL RESETS VIA M/C. GROUNDED - YES. PERFORMED PZTC BITE REF B737-800 FIM 21-62 TASK 801. FOUND CONTROLLER 2 FAULTING RAM AIR ACTUATOR. REMOVED AND REPLACED RH PACK RAM AIR INLET ACTUATOR REF B737-800 AMM 21-51-21. OPERATED RH PACK FOR 10 MINUTES. PERFORMED PZTC BITE AGAIN. NO FAULTS FOUND.