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SDR ASAA2016031515947

Open the Markdown

Service difficulty report · Autoland Sys · Boeing 737990ER

FAA SDR system

Difficulty date
March 15, 2016
Submitted
March 18, 2016
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
9,419 hours, 3,084 cycles
System (JASC)
2210 · Autopilot System
Part
Autoland Sys
Condition
Malfunctioned
Stage of operation
LD
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

FLIGHT CREW REPORTS AUTOLAND UNSUCCESSFUL. ACFT LANDED 30 FT RT OF CENTER LINE AND NO FLARE. FAILS LAND VERIFY BITE GROUP 49. HGS OPS TEST IAW AMM 34-36-00 NORMAL. ACFT GROUNDED. REVIEWED DFCS AND HGS IN-FLIGHT FAULTS. NO RELEVANT FAULTS FOUND EXCEPT ILS ANOMOLY FAULTS IN HGS LEGS 29 & 30. PERFORMED DFCS LIBRARY TEST GROUP NR 49, LAND VERIFY, REF AMM 22-11-00 AND HGS SYS TEST REF AMM 34-36-00. ALL TESTS PASS, NO FAULTS FOUND, REF AMM 22-00-01. AUTOLAND, OPS CHECKS GOOD. ACFT UPGRADED TO CAT IIIA AUTOLAND AND HGS CAPABLE.