Service difficulty report · Computer · Boeing 737990ER

Difficulty date
February 21, 2019
Submitted
February 23, 2019
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
20,204 hours, 6,642 cycles
Part
Computer
Part number
8221604102
Part serial
42RCNK
Condition
Inoperative
Location
Flt Control
Part time
20,204 hours, 6,642 cycles
Stage of operation
IN
How discovered
O
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

FCC B INOP. GROUNDED - YES. REMOVED AND REPLACED FCC B REF B737-900 AMM 22-11-33-400-801. 15 EA C/BS OPENED AND CLOSED. ACCOMPLISHED DFCS LRU REPLACEMENT TEST FOR FCC OPR#35 REF AMM 22-11-33/401, ALL TESTS PASSED. ACCOMPLISHED LAND VERIFY TEST,GRP #49, REF AMM 22-11-00/201. ALL TESTS PASSED.