Service difficulty report · Warning Light · Boeing 737890

Difficulty date
April 20, 2012
Submitted
April 23, 2012
Operation
Air carrier
Aircraft
N516AS
Make and model
Boeing 737890
Aircraft serial
39044
Aircraft time
12,589 hours, 4,074 cycles
Engine
Cfmint CFM567B27
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 ILLUMINATED ON RECALL EXTINGUISHED UPON MASTER CAUTION. GROUNDED YES. TESTED LT PACK TEMP/ZONE CONTROLLER IAW AMM 31-61-00-700-806-002. TCV FAULT INDICATED. CLEARED FAULT. RAN PACKS AND RE TESTED. NO FAULTS FOUND AND NO MAINT HISTORY WITHIN THE PAST 30 DAYS.