Service difficulty report · Autoland Sys · Boeing 737890

Difficulty date
April 17, 2018
Submitted
April 18, 2018
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
42,075 hours, 12,566 cycles
Part
Autoland Sys
Condition
Malfunctioned
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

WHILE ACCOMPLISHING AUTOLAND, LAND VERIFY TEST, FOUND A FAILURE OF THE ELEVATOR PRESSURE SWITCH 1. ACFT GROUNDED. PERFORMED LLM TESTS OF AUTOLAND, 30 DAY IN USE IAW AMM 22-00-01-730-809 AND LLM TESTS FOR HGS 30 DAY IN USE IAW AMM 22-00-010730-810. NO FAULTS.