Service difficulty report · Warning Light · Boeing 737890

Difficulty date
April 5, 2016
Submitted
April 7, 2016
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
34,687 hours, 10,717 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 ILLUMINATES, BON ON MASTER CAUTION RECALL CANCELS WHEN MASTER CAUTION LIGHT PRESSED TO RESET. ACFT GROUNDED. RAN SYS TEST IAW AMM 21-61-00, SYS OPS CHECKS GOOD.