Service difficulty report · Eec · Boeing 737890

Difficulty date
February 9, 2019
Submitted
February 12, 2019
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
31,938 hours, 9,269 cycles
Part
Eec
Part number
2042M67P04
Part serial
FFFB2091
Condition
Failed
Location
Nr 1 Engine
Part time
31,933 hours, 9,268 cycles
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

NR 1 ENGINE HAS FAULT CODE 73-10771, PS3 SIGNAL IS OUT OF RANGE (LONG TIME). GROUNDED - YES. REMOVED AND REPLACED NR 1 ENG EEC. REF AMM 73-21-60-401 PERFORMED EEC TEST, EEC DISCREET TEST, IDENT CONFIG. NO DEFECTS NOTED. REF AMM 73-21-00-700-802-F00 TEST 12 ACTUATORS TEST REQUIRED. ACCOMPLISHED ACTUATORS TEST 12. NO FAULTS REF AMM 73-21-00-700-802. ALT DEACTIVATION REVERSED.