Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
March 19, 2016
Submitted
March 21, 2016
Operation
Air carrier
Aircraft
N494AS
Make and model
Boeing 737990ER
Aircraft serial
41729
Aircraft time
287 hours, 85 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 ILLUMINATED ON RECALL,THE LIGHT EXTINGUISHES WHEN MASTER CAUTION SYS IS RESET. ACFT GROUNDED. PACK LIGHT EXTINGUISHED ON RESTART AND REMAINED EXTINGUISHED REMAINDER OF FLIGHT, DOES NOT ILLUMINATE ON RECALL.ACCOMPLISHED PACK CONTROLLER BITE AND ALL TEST NORMAL REF FIM 21-62 TASK 801.