Service difficulty report · Warning Light · Boeing 737890

Difficulty date
August 8, 2015
Submitted
August 12, 2015
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
30,177 hours, 9,318 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

ON RECALL, LEFT PACK LIGHT ILLUMINATED. LIGHT OUT WHEN MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED BITE CHECK ON BOTH TEMP CONTROLLERS. LEFT TEMP CONTROLLER LOGGED TCV FAULT. FAULT REST, ON TEMP CONTROLLER LEFT TEMP CONTROLL GROUND VERIFICATION CHECKS NORMAL.