Service difficulty report · Warning Light · Boeing 737890

Difficulty date
August 16, 2015
Submitted
August 20, 2015
Operation
Air carrier
Aircraft
N535AS
Make and model
Boeing 737890
Aircraft serial
35200
Aircraft time
18,159 hours, 5,338 cycles
Part
Warning Light
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
NR
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

LEFT PACK LIGHT ILLUMINATED ON RECALL AND RESETS. ACFT GROUNDED. PERFORMED ZONE TEMP CONT TEST IAW MM 21-61-00. SYSTEM OP CHECKED GOOD. FOUND TCV FAULT. COMPLETED VERIFY TEST NO CURRENT FAULTS AT THIS TIME.