Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
March 30, 2019
Submitted
April 1, 2019
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
21,544 hours, 7,061 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 HAND PACK LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED AMM TASK 21--61-00-700-806-002 PZTC BITE PROC. RESET & GREEN LIGHT SHOWN ON TEST. CHECKED GOOD. OPS NORMAL. CLEARED MEL 21-32B.