Service difficulty report · Warning Light · Airbus A320251N

Difficulty date
January 28, 2018
Submitted
February 5, 2018
Operation
Air carrier
Aircraft
N764AV
Make and model
Airbus A320251N
Aircraft serial
7887
Aircraft time
296 hours, 114 cycles
Part
Warning Light
Condition
False Activation
Location
Nr 1 Engine
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
D

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

What was found

DURING START, THE NR 1 ENGINE MINOR FAULT APPEARED ON ECAM. IAW AMM 73-29-00-710-802A, FADEC TEST WAS PERFORMED AND NO FAULTS WERE SHOWN. THE PRF SHOWS QUALIFIER B1/2/WXR1 (1SQ1). THE QUALIFIERS B, TWO QUALIFIERS B INPUTS ARE USED. THESE INPUT SIGNALS ARE PROVIDED BY THE ENGINE OIL PRESSURE SENSORS INDICATING WHEN THERE IS NORMAL OPERATING PRESSURE. THE QUALIFIER B1 IS CONNECTED TO ENGINE 1.

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