SDR DALA13045643308

Service difficulty report · Power Supply · Airbus A330323

Difficulty date: September 17, 2013
Submitted: September 19, 2013
Operation: Air carrier
Aircraft: N808NW
Make and model: Airbus A330323
Aircraft serial: 0591
Aircraft time: 42,533 hours, 5,666 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Unknown
Location: Emergency Lights
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

EPSU TEST FAILED, AFTER EPSU TEST, MESSAGE 335100 BAT/EPSU, 17WL, DOOR 4. PERFORMED LOCALIZED SYS TEST ON EPCU 17WL IAW AMM 33-51-00-740- 801, EPCU GIVES BATTERY FAILED. RECONNECTED PLU ON EPCU. PERFORMED LOCALIZED TEST AFTER 1 MIN, TEST OK. PERFORMED TEST EMERGENCY LIGHTS USING MCDU ACC AMM 33-51. NO FAULTS ACTIVE

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