Service difficulty report · Control Unit · Airbus A330323

Difficulty date
January 6, 2022
Submitted
January 10, 2022
Operation
Air carrier
Aircraft
N804NW
Make and model
Airbus A330323
Aircraft serial
0549
Aircraft time
79,258 hours, 10,463 cycles
Part
Control Unit
Condition
Faulted
Location
Proximity Switch
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

SHIP 3304 3R SHOWS ARMED WHEN IN DISARMED POSITION. CORRECTIVE ACTION: FAULT CONFIRMED ON FAP. R/R PROX SWITCH CTL UNIT 5MJ IAW A330 AMM 52-71. PSCU BITE OK. FAP DOOR 3R SHOWS PROPER INDICATION FOR ARMED/DISARMED AND OPEN/ CLOSE. OPERATED DOOR MULTIPLE TIMES SUCCESSFULLY. PER MCC REQUEST; R/R DOOR SENSOR 34MJ IAW A330 AMM 52-71. (2077884)

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