Service difficulty report · Vent · Boeing 737990ER

Difficulty date
January 23, 2014
Submitted
January 27, 2014
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
826 hours, 276 cycles
Part
Vent
Condition
Dirty
Location
Cdu
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CAPTAIN`S CDU WENT BLANK FOR ONE MINUTE WHILE ALTITUDE WAS BEING CHANGED. A BITE TEST MESSAGE ILLUMINATED. ACFT GROUNDED. CHECKED AND CLEANED COOLING VENT, OPS TESTED GOOD IAW AMM 34-61-00.