Service difficulty report · Control Unit · Airbus A321271N

Difficulty date
July 5, 2023
Submitted
July 7, 2023
Operation
Air carrier
Aircraft
N4048J
Make and model
Airbus A321271N
Aircraft serial
10446
Aircraft time
6,893 hours, 1,006 cycles
Part
Control Unit
Part number
74434211
Part serial
744342IN00210
Condition
Failed
Location
Unknown
Stage of operation
UK
How discovered
V
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

FLT#7, JFK-LHR. (ETOPS) 'ACT XFR FAULT ( AUTO TRANSFER SYSTEM (ACT) 1), 2) ADDITIONAL CENTER TANK(S) (ACT) ); REMOVED AND REPLACED CONTROL INIT - AXILIARY LEVEL (60QJ) IAW AMM 28-46-35. TEST OK. ACCOMPLISHED OPERATIONAL TEST OF THE ACT AUTOMATIC TRANSFER SYSTEM IAW AMM 28-28-00-710-005-A. TEST OK. NO FAULTS NOTED. MX4 UPDATED. PLACARD REMOVED. MCC NOTIFIED.

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