Service difficulty report · Relay · Airbus A321231

Difficulty date
February 8, 2021
Submitted
February 17, 2021
Operation
Air carrier
Aircraft
N534UW
Make and model
Airbus A321231
Aircraft serial
3989
Aircraft time
40,229 hours, 14,596 cycles
Part
Relay
Part number
D9255602500600
Condition
Defective
Location
Fuel System
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: ACT FUEL TANKS WILL NOT TAKE FUEL--140# IN ACT 2. MAINTENANCE ACCOMPLISHED THE FOLLOWING ACTIONS: REPLACED TRANSFER ACTUATOR 6QH (AALA202102129001) PER AMM 28-28-53, REPLACED LOGIC RELAY BOX ASSEMBLY 802VU (AALA202102159047) PER AMM 28-71-11, REPLACED ACT REFUEL VALVE SELENOID (AALA202102159048) PER AMM 28-25-51) AND REPLACED ACT 1 INLET VALVE ACTUATOR 5QH1 (AALA202102159049) PER AMM 28-28-54. A SATISFACTORY OPERATIONAL CHECK OF THE ACT REFUEL / TRANSFER SYSTEM WAS ACCOMPLISHED IN BOTH MANUAL AND AUTOMATIC MODES PER AMM 28-28-00-710-001/004.

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