Service difficulty report · None · Airbus A330302

Difficulty date
January 25, 2022
Submitted
January 26, 2022
Operation
Air carrier
Aircraft
N830NW
Make and model
Airbus A330302
Aircraft serial
1769
Aircraft time
17,319 hours, 2,182 cycles
Part
None
Condition
None
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

SHIP 3330 L3 DOOR OPEN INDICATION ON SD ECDM. CORRECTIVE ACTION: BITE OF DOOR FAULTS DISCREPANCY DOOR 3 LH PSCU (5M2). ATTEMPTED DOOR DEACTIVATION OF PROX SW NOT SUCCESSFUL. REPLACED DOOR 3L SENSOR 19MJ AND 21MJ. ALSO REPLACED PSCU CONTROL. RANG WIRES FROM 5MJ PINS 5C, 5D, 5A, 5B TO SENSOR 21MJ AND SENSOR 19MJ, ALL WIRING CHECKS GOOD. CK WITH LCR METER HEALTH OF PROX SENSORS 21MJ AND 19MJ, ALL VALUES COMPARED TO 18MJ AND 20MJ. ALL VALUES WITH SAME RESULTS. PULLED PSCU LIVE DATA THRU ACMU, PARAMETERS FOUND WITH DOOR OPEN (L3). ADJUSTED L3 DOOR LOCKING PROX SW 21MJ. (8272896)

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