Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
July 13, 2018
Submitted
July 17, 2018
Operation
Air carrier
Aircraft
N462AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
16,664 hours, 5,566 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
J
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 CAME ON WITH M/C RECALL AND GOES OUT WITH M/C RESET. GROUNDED - YES. ACCOMPLISHED BITE TEST PER TASK 21-61-00-700-808-001. NR 1 CONTROLLER HAD TCV FAULT FOR PREVIOUS FLT. RESET FAULT. BITE TEST PASSES. OPS GOOD PER SUBTASK 21-61-20-860-005.