Service difficulty report · Unknown · Boeing 737890

Difficulty date
May 21, 2023
Submitted
May 24, 2023
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
46,275 hours, 13,659 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
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

REF ASA TC#78273000 #1 ENG SHOWS SHORT TIME FAULT 73-11281, EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. GROUNDED - YES. PER SEA TECH SVC RELOADED #1 ENG EEC SOFTWARE PER B737-800 AMM TASK 73-21-60-470-801-F00, SOFTWARE LOAD SUCCESSFUL. #1 ENGINE EEC TEST COMPLETED, NO FAULTS FOUND REF AMM TASK 73-21-00-700-804-F00. PERFORMED #1 ENGINE RUN REF AMM 71-00-00-700-801-F00 TEST 3A. NO DEFECTS NOTED. IDLE POWER LEAK CHECK. #1 ENGINE FAULT MSG 73-11281 NO LONGER SHOWS.