Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
July 9, 2023
Submitted
July 12, 2023
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
34,435 hours, 10,915 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
LD
How discovered
V
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

PRACTICE (HYBRID) AUTOLAND UNSUCCESSFUL. A/C LANDED 40' LEFT OF CENTERLINE APPROX 2200' DOWN R/W FLAPS 40 WINDS VARIABLE 5 KTS TEMP 75DEG F. GROUNDED - YES. C/W FIM 22-11 TASK 899 INBOUND CONDITION RELATED TO AUTOLAND, FOUND NO RELEVANT FAULTS. INTERROGATED HGS FOR FAULTS, FOUND 2 FAULTS ON THE FLIGHT "ILS ANOMALY DETECT & RWY LENGTH ERROR", EFFECTS WERE RO CTN & GND GUIDE. C/W LAND VERIFY TEST PER AMM 22-11-00/201, BITE GRP #49, ALL TESTS PASS. HGS 30 DAY IN-USE TEST PER AMM 22-00-01-730-898, ALL TESTS PASS. A/C APPROACH SURVEY ENTRY COMPLETED.