SDR CALA2013090591000

Service difficulty report · Inverter · Airbus A320232

Difficulty date: August 31, 2013
Submitted: September 6, 2013
Operation: Air carrier
Aircraft: N425UA
Make and model: Airbus A320232
Aircraft serial: 508
Aircraft time: 63,156 hours, 24,030 cycles
Engine: Iae V2527A5
System (JASC): 2422 · AC Inverter
Part: Inverter
Condition: No Test
Location: Electrical Sys
Stage of operation: NR
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

STATIC INVERTER TR WILL NOT TEST. REPLACED STATIC INVERTER & STATIC INVERTER CONTACTOR 2XB IAW MM 24-28-51 & MM 24-28-55. ALSO REPLACED RELAYS 30XU1 & 30 XU2. REPLACED RELAY (7XB), RELAY (13XC), RELAY (14XC), & CNTOR- AC ESS BUS SWITCHING (15- XE). REPLACED TR-2. SWAPPED TR-1 & TR-3, NO CHANGE. REPLACED RELAYS (6-XB), (15-XC), (16-X (PA (PARTIAL). REPLACED GROUND SELECT CONTROL SWITCH 5XX IN 2000VU PANEL (565-0535) IAW WDM 24-42-02 STATIC INVERTER TEST PASSED. TEST OPERATED MULTIPLE TIMES OK.

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