Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
August 13, 2017
Submitted
August 17, 2017
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
14,219 hours, 4,676 cycles
Part
Warning Light
Condition
False Activation
Location
Lt 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

AFTER ENGINE START, LEFT PACK LIGHT ILLUMINATED. PACK LIGHT EXTINGUISHED AFTER RESETTING MASTER CAUTION. ACFT GROUNDED.