Service difficulty report · Warning Light · Boeing 737890

Difficulty date
October 12, 2013
Submitted
October 14, 2013
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
21,508 hours, 6,709 cycles
Part
Warning Light
Condition
False Activation
Location
A/C Pack
Stage of operation
TX
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 ILLUMINATES ON RECALL. ACFT GROUNDED. NR 1 CONTROLLER SHOWS TCV THIS PACK FAULT. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR 1 PACK/ZONE TEMP CONTROLLER GOOD, IAW MM 21-51-00. FUNCTION CHECK OF LT PACK TCV GOOD.