Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
November 3, 2023
Submitted
November 7, 2023
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
35,956 hours, 11,270 cycles
Part
Actuator
Part number
676000141
Part serial
676000141571
Condition
Faulty
Location
Ram Air
Part time
32,962 hours, 10,629 cycles
Stage of operation
NR
How discovered
V
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

RT PACK LIGHT ILLUMINATED RESET WITH MASTER CAUTION RECALL. GROUNDED - YES. (RESOLVED ON W/O: 1976094 TASKCARD: N/R-00010 ) PERFORMED BITE OF TEMP CONTROLLER FOUND M2977 RIGHT RAM AIR ACTUATOR FAULT, REPLACED RAM AIR ACTUATOR PER MM. RE BITE OF TEMP CONTROLLER FOUND T482 RAM AIR SENSOR FAULT, REPLACED RAM AIR SENSOR PER MM, OPERATATION OF RIGHT PACK AND BITE CHECKS OPERATING NORMALLY. CLEARS MEL 21-32B, PLACARDS REMOVED. SEAMC NOTIFIED.