Service difficulty report · Relay · Airbus A321271N

Difficulty date
July 12, 2024
Submitted
July 16, 2024
Operation
Air carrier
Aircraft
N4076J
Make and model
Airbus A321271N
Aircraft serial
11513
Aircraft time
3,192 hours, 466 cycles
Part
Relay
Condition
Faulted
Location
Fuel Transfer
Stage of operation
CL
How discovered
O
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

FLT 8108, CDG-JFK. (AIRCRAFT DIVERTED TO DUB) (ETOPS) 'FUEL ACT TRANSFER FAULT. INLET VALVE ACT 6, FWD ACT. ACCOMPD WIRING CHKS IAW TSM 28-28-0-810-848-A, 28-46-00-810-876-9, 28-46-00-810-879-A. ON T/S NOTICED FWD ACT (4) WOULDN`T TRANSFER FUEL W/COCKPIT SELECTOR 125QM TURNED TO FWD. T/S FND FWD ACT WOULD & DOES TRANSFER FUEL WHEN OUTSIDE FUELING PANEL IS OPENED BUT WOULDN`T TRANSFER W/DOOR CLOSED. FOUND RELAY 67QM W/VOLTAGE SWINGS ON BASE SOCKET "X1" CHKD CONTINUITY AT X2, GOOD GROUND. CHECKED WIRE CONTINUITY BETWEEN RELAY 67QM X1 TO RELAY 65QV B2 CHKD GOOD. REPLACED RELAY 65QV IAW ASPM 20-46-50. OPS TEST OF ACT AUTO TRANSFER SYS IAW AMM 28-28-00-710-005-A OPS CHKD GOOD, NO DEFECTS. A/C OK FOR SVC.

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