Service difficulty report · Diode · Boeing 777223

Difficulty date
July 18, 2021
Submitted
July 22, 2021
Operation
Air carrier
Aircraft
N752AN
Make and model
Boeing 777223
Aircraft serial
30260
Aircraft time
76,256 hours, 9,636 cycles
Part
Diode
Part number
00176510102
Condition
Faulted
Location
Zone 100
Stage of operation
CR
How discovered
9
Nature of condition
J
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: STATUS MESSAGE FOR ELECTRICAL STANDBY SYSTEM, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED DIODE WITH NEW IAW WDM 24-09-26 AND ARINC 629 COUPLER (AALA202107228308) IAW AMM 23-91-01, OPS CHECK GOOD.