Service difficulty report · Warning Light · Boeing 737890

Difficulty date
March 1, 2015
Submitted
March 4, 2015
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
30,499 hours, 9,158 cycles
Part
Warning Light
Condition
False Activation
Location
Cabin Pressure
Stage of operation
NR
How discovered
O
Nature of condition
N
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 AND ALTN LIGHTS ILLUMINATED ON PRESSURIZATION MCP. ACFT GROUNDED. NR 2 PRESSURE CONTROLLER WINDOW SHOWED FAULT. RAN AUTO CABIN PRESSURE CONTROLLER BITE TEST IAW FIM 21-31, TASK 801 AND CLEARED FAULT. BOTH AUTO PRESSURE CONTROLLERS OPS CK GOOD, NO EXISTING FAULT. GROUND VERIFICATION TEST, OPS CK NORMAL. NO HISTORY 30 DAYS.