Service difficulty report · Relay · Boeing 777224

Difficulty date
July 18, 2026
Submitted
July 20, 2026
Operation
Air carrier
Aircraft
N57016
Make and model
Boeing 777224
Aircraft serial
28679
Aircraft time
121,980 hours, 12,452 cycles
Part
Relay
Condition
Faulted
Location
Tru
Stage of operation
IN
How discovered
O
Nature of condition
B, J
Precautionary procedure
K

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

What was found

ELEC STBY SYS FAIL AFTR ENG SHUTDOWN STRONG FUMES IN FLTDECK FLIGHT CREW REPORTED SMELL OF SMOKE, TURNED OFF RECIRC FAN TO CLEAR THE SMOKE. CABIN CREW COMPLAINED OF FUME IN THE CABIN. CREW OPENED WINDOW TO CLEAR THE ODOR OF FUME. ELEC STBY SYS STS MSG WITH CORRELATED MX MESSAGE 24-13039, PERFORMED FIM 24-32 TASK 804, R & R TRANSFORMER RECTIFIER UNIT C1 RELAY K24017 REF AMM 24-32-09 ALL TESTS PASSED, MSG CLEARED WITH NO ACTIVE FAULTS. REF TO LP 9657829 FOR THE STRONG FUMES IN THE ADD 409294, U393679 FLT DECK CONDITIONAL INSPECTION.