SDR YENA2019102950621

Service difficulty report · Power Supply · Airbus A321231

Difficulty date: October 25, 2019
Submitted: October 29, 2019
Operation: Air carrier
Aircraft: N907JB
Make and model: Airbus A321231
Aircraft serial: 5865
Aircraft time: 23,220 hours, 7,395 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Malfunctioned
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

DURING HEAVY MAINTENANCE, EPSU'S 10WL, 11WL, 12WL, 13WL, 14WL LOW VOLTAGE NOTED ON OPS CHECK; REF LHT NR 5200000685-005000922310-0010 - REPLACED EPSU'S 10WL, 11WL, 12WL, 13WL, 14WL IAW A321 AMM 33-51-38-000-001-A REV 79. SUPPLEMENTAL INFORMATION TO FOLLOW.

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