Service difficulty report · Actuator · Boeing 737890

Difficulty date
January 5, 2020
Submitted
January 7, 2020
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
49,488 hours, 14,660 cycles
Part
Actuator
Condition
Faulted
Location
Ram Air Door
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHEN RECALL IS PRESSED LEFT PACK LIGHT AND MASTER CAUTION LIGHT REMAIN ILLUMINATED. BOTH LIGHT EXTINGUISH WHEN MASTER CAUTION IS RESET. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMP CONTROLLER BITE REF B737-800 21-61 TASK 801, LEFT CONTROLLER LOGGED RAM AIR DOOR ACTUATOR FAULT, ACCOMPLISHED VERIFY & CLEAR WITH NO FURTHER DISCREPANCIES.