Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
July 14, 2023
Submitted
July 18, 2023
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
33,576 hours, 10,600 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
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

WHILE PERFORMING TC 78273000 FOUND #1 ENG SHORT TIME FAULT 73-21281 EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE ON FL 2 ONLY. GROUNDED - YES. (RESOLVED ON W/O: 1962079 TASKCARD: N/R-00001 ) PERFORMED FIM 73-27 TASK 805, FOUND FAULT DOES NOT SHOW ON #1 ENG. RECENT FAULTS, AND FAULT HISTORY SHOWS FOUND FAULT ONLY ON LEG 7. PER FIM, EEC TEST GOOD, NO FAULTS. NO HISTORY LAST 90 DAYS.THIS PLT DEFERRAL CLEARED.PLC C/N 140184678 RMVD.