Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
April 9, 2017
Submitted
April 11, 2017
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
17,557 hours, 5,759 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT PACK LIGHT ILLUMINATES ON RECALL. GOES OUT WITH PUSH OF MASTER CAUTION BUTTON. GROUNDED - YES. ACCOMPLISHED PZTC BITE, REF FIM 21-62 TASK 801. NR 2 CONTROLLER FAULTED TCV ON BIT AND PREVIOUS FLIGHT WITH A GO ON VERIFY. ACCOMPLISHED FIM 21-62 TASK 831 RIGHT TCV, NO FURTHER FAULTS LOGGED. RAN BOTH PACKS AND RE-ACCOMPLISHED PZTC BITE WITH NO FAULTS LOGGED, OPS CHECK NORMAL.