SDR ASAA2018013123368

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: January 31, 2018
Submitted: February 5, 2018
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 43,901 hours, 13,242 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Light
Condition: False Activation
Stage of operation: LD
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

RT PACK LIGHT ILLUMINATED ON TOUCHDOWN. GOES OUT WHEN M/C IS RESET. ACFT GROUNDED. PERFORMED A PACK TEMP CONTROL BITE IAW FIM 21-62, TASK 801. RAM AIR ACTUATOR SHOWED ON BITE AND PREVIOUS FLT, VERIFY GO,. AFTER RESET, RAN BITE TWICE MORE, ALL GO. INTERMITTENT FAULT IAW INITIAL EVAL FIM 21-62 TASK 836.