Service difficulty report · Warning Light · Boeing 737890

Difficulty date
July 29, 2017
Submitted
July 31, 2017
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
37,582 hours, 10,949 cycles
Part
Warning Light
Condition
False Activation
Location
Cabin Pressure
Stage of operation
AP
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

ON APPROACH, AUTO FAIL LIGHT ILLUMINATED. SWITCHED TO ALTERNATE MODE. CONTINUED NORMALLY. ACFT GROUNDED. CABIN PRESSURE CONTROLLER NR 1 AND 2 FAULT LOW INFL/HIGH LEAKAGE. ACCOMPLISHED PRESSURIZATION CONFIDENCE CHECK.IAW AMM 21-00-05-780-801. OPS CHECKED GOOD.