Service difficulty report · Warning Light · Boeing 737890

Difficulty date
February 24, 2017
Submitted
February 27, 2017
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
38,855 hours, 11,651 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 DURING MASTER CAUTION RECALL. LIGHT GOES OUT WITH RESET. ACFT GROUNDED. TRIED MASTER CAUTION RECALL ON GROUND. LIGHT DOES NOT ILLUMINATE. PERFORMED PACK TEMPERATURE CONTROL BITE ON NR 1 CONTROLLER AND FOUND NO FAULTS. CHECKED GOOD.