SDR AALA2020091539008

Service difficulty report · Power Supply · Airbus A319132

Difficulty date: September 12, 2020
Submitted: September 15, 2020
Operation: Air carrier
Aircraft: N821AW
Make and model: Airbus A319132
Aircraft serial: 1406
Aircraft time: 62,654 hours, 28,185 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: 321431
Part serial: 840908
Condition: No Test
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

AIRCRAFT NOT GROUNDED, EMERGENCY LIGHTS FAILED OPERATIONAL TEST. FAULTS: "EPSU INT LOAD EMER R" AND "EPSU INT LOAD EMER L". REPLACED EPSU (EMERGENCY POWER SUPPLY UNIT) BATTERIES, LEFT EPSU 11WL (AALA202009139009) AND RIGHT EPSU 12WL (AALA202009139008), PER AMM 33-51-38. OPERATIONAL CHECK NORMAL.

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