SDR ASAA2014022106940

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: February 21, 2014
Submitted: February 24, 2014
Operation: Air carrier
Aircraft: N597AS
Make and model: Boeing 737890
Aircraft serial: 35689
Aircraft time: 22,508 hours, 7,031 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Light
Condition: False Activation
Location: Rt A/C Pack
Stage of operation: TX
How discovered: O
Nature of condition: N
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, RESET. ACFT GROUNDED. BITE OF RIGHT PACK/ZONE TEMP CONTROLLER IAW FIM 21-62, TASK 801 SHOWED RAM AIR ACTUATOR FAULT BUT VERIFY TEST DID NOT CONFIRM FAULT. ACCOMPLISHED T/C FOR RIGHT RAM AIR ACTUATOR FAULT IAW FIM 21-62, TASK 836, PACK/ZONE TEMPERATURE CONTROLLER BITE TEST IAW FIM 21-62, TASK 801 SHOWED NO FAULTS, AND ACTUATOR AND RAM AIR DOOR OPERATION WAS VERIFIED, OPS NORMAL.