Service difficulty report · Warning Light · Boeing 737890

Difficulty date
August 30, 2016
Submitted
September 1, 2016
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
29,247 hours, 8,746 cycles
Part
Warning Light
Condition
False Activation
Location
Rt 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

RIGHT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. ACFT GROUNDED. CONFIRMED RIGHT PACK LIGHT ILLUMINATES WITH MASTER RECALL. PERFORMED PACK/ZONE TEMP CONTROL BITE TEST IAW AMM 21-61-00, FOUND NR 2 CONTROLLER WITH "TCV THIS PACK" FAULT LIGHT FROM PREVIOU FLIGHTS. CONTINUED WITH BITE TEST - BOTH CONTROLLERS OPS NORMAL, NO FAULTS AND RIGHT PACK LIGHT REMAINS EXTINGUISHED WITH MASTER RECALL.