Service difficulty report · Unknown · Airbus A330223

Difficulty date
April 12, 2023
Submitted
April 13, 2023
Operation
Air carrier
Aircraft
N854NW
Make and model
Airbus A330223
Aircraft serial
0620
Aircraft time
75,904 hours, 9,889 cycles
Part
Unknown
Condition
Unknown
Location
Unknown
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 3354 DONT PASS TEST EMERGENCY POWER SUPPLY UNIT (EPSU) IN PASSENGER CABIN. CORRECTIVE ACTION: PERFORMED FAULT CONFIRMATION AND PERFORMED FAULT INSULATION AND BITE TEST, BITE TEST SHOW EPSU 16WL AND 19WL AND PUSH TOTEST ON EPSU 16WL AND 19WL SHOW UNIT FAUL LIGHT ON AND REMOVED EMERGENCY POWER SUPPLY UNIT 16WL AND 19WL AND INSTALLED EMERGENCY EPSU 16WL AND 19WL ON SERVICEABLE CONDITION AND PERFORMED OPERATIONAL TEST, TEST IS GOOD AND NOT SHOW MESSAGE OF EPSU. (2716860)

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