Service difficulty report · Selector · Boeing 737990ER

Difficulty date
October 7, 2016
Submitted
October 10, 2016
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
11,836 hours, 3,861 cycles
Part
Selector
Condition
Malfunctioned
Location
Cabin Pressure
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

AUTOFAIL AND ALTN LIGHT ILLUMINATED ON PREFLIGHT. ACFT GROUNDED. REPOSITIONED MODE SELECTOR TO MAN THEN BACK TO AUTO. AUTO FAIL LIGHT REMAINS EXTINGUISHED. THERE IS NO FAULT AND OK FOR SERVICE.