SDR ASAA2015090912987

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: September 9, 2015
Submitted: September 11, 2015
Operation: Air carrier
Aircraft: N538AS
Make and model: Boeing 737890
Aircraft serial: 41188
Aircraft time: 13,179 hours, 3,886 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Light
Condition: False Activation
Stage of operation: NR
How discovered: 9
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

LEFT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. ACFT GROUNDED. ACCOMPLISHED ZONE TEMP CONTROL NR 1 BITE LOGGED TCV, CLEARED FAULT, TESTED 2 MORE TIMES WITH NO FAULTS, LT PACK DOES NOT ILLUMINATE ON RECALL, NO HISTORY, REF MM FIM:21-61, TASK 801.