SDR ASAA2016040516246

Service difficulty report · Actuator · Boeing 737890

Difficulty date: April 5, 2016
Submitted: April 8, 2016
Operation: Air carrier
Aircraft: N529AS
Make and model: Boeing 737890
Aircraft serial: 35198
Aircraft time: 23,667 hours, 7,115 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Actuator
Part number: 5416744
Part serial: 12618
Condition: Failed
Location: Ram Air Exhaust
Part time: 30,482 hours, 9,246 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 LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED RT PACK TEMP CONTROL BITE, REF AMM 21-62, TASK 801, RAM AIR ACTUATOR LOGGED ON RECENT FLIGHTS. DUE TO REPEATED WRITE UPS, R & R RT RAM AIR INLET ACTUATOR, REF AMM 21-51-21. RAM AIR INLET ACTUATOR TEST PASSED WITH NO FAULTS, REF TASK AMM 21-61-00-700-806-002.