Service difficulty report · Warning System · Boeing 737890

Difficulty date
January 12, 2011
Submitted
January 14, 2011
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
10,344 hours, 3,335 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

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL & RESETS. NR 2 CTRLR SHOWS "FLT DECK TRIM VALVE" ON BIT & PREV FLT TESTS. VERIFY TEST GO. RESET FAULT. FAULT DID NOT RETURN. NO HISTORY 60 DAYS. OPS & FUNCT CHECK CTRL CABIN TRIM VALVE GOOD. REF FIM 21 62/T832.