Service difficulty report · Autoland Sys · Boeing 737890

Difficulty date
June 14, 2013
Submitted
June 18, 2013
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
11,762 hours, 3,603 cycles
Part
Autoland Sys
Condition
No Test
Stage of operation
AP
How discovered
C
Nature of condition
L
Precautionary procedure
O

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

What was found

PRACTICE AUTOLAND FAIL. CONDITIONS SEA 16L PROTECTED AREA CLEAR INSIDE 8 MILES. COURSE AND GLIDEPATH WERE ERRATIC ALL THE WAY DOWN FINAL. SPEED CONTROL ALSO ERRATIC VARIABLE BETWEEN REF AND REF 15, WINDS WERE 5KTS ON FINAL OR CALM, CALLING 220 AT 8 ON THE GROUND. ERRATIC FLIGHT PATH TO TOUCHDOWN IN THE PROPER ZONE BUT WITH SOME SIDE LOAD. ACFT GROUNDED. PERFORMED DFCS BITE AMM 22-11-00 NO FAULTS, AUTO TEST PASS. PERFORMED A/T BITE AMM 22-31-10 NO CURRENT FAULTS, CURRENT STATUS PASS. PERFORMED HGS BITE SSM 34-26-00 NO FAULTS, CURRENT STATUS PASS. PERFORMED MMR TEST NR 1, NR 2 AMM 34-31-42, NO FAULTS.