Service difficulty report · Computer · Boeing 737890

Difficulty date
August 15, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N533AS
Make and model
Boeing 737890
Aircraft serial
35201
Aircraft time
42,152 hours, 12,168 cycles
Part
Computer
Part number
UNKNOWN
Condition
Warning Message
Location
Unknown
Stage of operation
AP
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

APP SURVEY NOT SUCCESSFUL APCH WARN AND NO AIII AT APPROX 50' AGL 6 KT TAILWIND RWY 34L ILS AREA CLEAR, SEEMED TO BE DIVING BEFORE FAULT. GROUNDED - YES. ACCOMPLISHED B737-800FIM 22-12 TASK 803 INITIAL EVALUATION (SPD/STB TRIM TEST) IT IS GOOD WITHIN LIMITS, FIM 22-14 TASK 818 INITIAL EVALUATION WITH NO FAULTS AND FIM 22-15 TASK 818 INITIAL EVALUATION WITH NO FAULTS. ACCOMPLISHED DFCS BITE GROUP 60 (ALL LIBRARY TESTS) PER B737-800 AMM 22-11-00-740-806 ALSO ACCOMPLISHED DFCS BITE GROUP #35 (DFCS A/T TEST) ALL TESTS PASSED. ACCOMPLISHED HGS LRU FUNCTIONAL TEST FOR RADIO ALTIMETER PER HGS-4000 SMM 34-36-00 AND HGS SYSTEM TEST PER SMM 34-36-00 ALL HGS TESTS PASSED. APPROACH SURVEY COMPLETED.