Service difficulty report · Warning System · Boeing 737890

Difficulty date
May 15, 2017
Submitted
May 16, 2017
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
24,765 hours, 7,253 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
TX
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

AFTER START ON RECALL "AIR COND" AND "ZONE TEMP" BOTH LIGHTS EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED BITE OF BOTH PTZC'S NR 2 FAULTED FLT DECK TRIM VALVE ON BIT AND PREV FLT WITH A GREEN ON VERIFY, RESET BOTH PZTC AND RE-RAN BITE WITH NO FURTHER FAULTS FIM 21-62 TASK 801. NO HISTORY 60 DAYS. ACCOMPLISHED FIM 21-62 TASK 832 WITH NO FAULTS OPS CKD NML.