Service difficulty report · Controller · Boeing 737890

Difficulty date
September 17, 2015
Submitted
September 21, 2015
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
28,237 hours, 8,719 cycles
Part
Controller
Part number
2193301AC
Part serial
0895950
Condition
Faulted
Location
Cabin Pressure
Part time
28,273 hours, 8,733 cycles
Stage of operation
TX
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

AUTO FAIL LIGHT CAME ON PRESSURIZATION PANEL. ACFT GROUNDED. ACCOMPLISHED NR 2 PRESSURE CONTROLLER BITE REF FIM 21-31, TASK 801. OPS TEST NORMAL. NO CURRENT FAULTS BUT VARIOUS " CONTROL LRU FAIL" IN FAULT HISTORY. DUE TO HISTORY, R & R NR 2 CABIN PRESSURE CONTROLLER REF AMM 21-31-01-000-801. RESET (1) C/B, OPS TEST NORMAL.