Service difficulty report · Interface Unit · Airbus A320232

Difficulty date
November 18, 2020
Submitted
November 18, 2020
Operation
Air carrier
Aircraft
N418UA
Make and model
Airbus A320232
Aircraft serial
485
Aircraft time
84,212 hours, 32,946 cycles
Engine
Iae V2527A5
Part
Interface Unit
Part number
3957985205
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CR
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

ENGINE ONE THRUST REV FAULT AT CRUISE ALTITUDE UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC RELATED WORK ORDER 000000003001535 AND PRTR LIVINGSTON, MATTHEW (V922838). NR 1 REVERSER DEACTIVATED, PER MEL 7830M AND AMM 78-30-00-040-013-A. MAC METER INITIATED FOR WITH VENDOR ID V922838 LIVINGSTON, MATTHEW (V922838). NR 1 REVERSER DEACTIVATED, PER MEL 7830M AND AMM 78-30-00-040-013-A. DISPATCH DESK: 12 NAME: KK DATE: 16-NOV-20- DEFERRED DIRECTLY BY TOMC WORK WITH LMC LP: 5490809 REF LP 5494845 AND 5494803, INSPECTED CHAFED WIRING GOING TO REV ACTUATORS. MEGGARED WIRING FOR SHORTS TO GROUND AND SHORTS TO OTHER WIRES, NO DISCREPENCIES NOTED. REPLACED AND TESTED NR 1 EIU, REF AMM 73-25-34 AND 73-25-34-710-043-A. NO MESSAGE IS PRESENT WHILE OPERATING REVERSER ROTABLE PARTS CHANGE WAS INDICATED TT NR 1248731 SN OFF 2123 UNIT, ENGINE IN OFF 31-7330-9-0001 2123 ON 31-7330-9-0001 3281.

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