Service difficulty report · Contactor · Airbus A319112

Difficulty date
August 7, 2024
Submitted
August 8, 2024
Operation
Air carrier
Aircraft
N740UW
Make and model
Airbus A319112
Aircraft serial
1265
Aircraft time
61,839 hours, 37,363 cycles
Part
Contactor
Part number
558CA01Y1
Condition
Faulty
Location
Zone 100
Stage of operation
CR
How discovered
V
Nature of condition
J, H
Precautionary procedure
A, O

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO TPA DUE TO THE FLIGHT CREW REPORTING THAT IN FLIGHT ELECTRICAL GENERATOR 1 FAULT ECAM ANNUNCIATED MULTIPLE TIMES. THE FLIGHT CREW ACCOMPLISHED ECAM AND GENERATOR 1 RESET. AFTER THE 3RD ECAM, ON ELECTRICAL SD PAGE CONNECTOR BETWEEN GENERATOR 1 AND AC 1 BUS WAS FLICKERING AND EVENTUALLY GENERATOR 1 SHOWED AS INOPERATIVE ON STATUS PAGE. THE DECISION WAS MADE TO DIVERT DUE TO THE APU WAS ON MEL RESULTING IN SINGLE GENERATOR OPERATION. DURING DESCENT BOTH PILOTS SMELLED A FAINT ACRID ELECTRICAL SMELL THAT DISSIPATED UPON LANDING. THE AIRCRAFT LANDED SAFELY AT TPA AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED GENERATOR CONTROL UNIT # 1 CONTACTOR 9XU1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 24-22-55. MAINTENANCE ALSO ACCOMPLISHED SMOKE/ODOR/FUME TROUBLESHOOTING TASK CARD 26L00021001 AND ODOR HAS DISSIPATED.

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