SDR 39LA2013050600004

Service difficulty report · Inverter · Dhav DHC8103

Difficulty date: May 1, 2013
Submitted: May 6, 2013
Operation: Air carrier
Aircraft: N990AV
Make and model: Dhav DHC8103
Aircraft serial: 099
Aircraft time: 46,153 hours, 52,989 cycles
System (JASC): 2422 · AC Inverter
Part: Inverter
Part number: DH103024600CSIIB
Part serial: AB3130S8
Condition: Burned
Stage of operation: NR
How discovered: O
Nature of condition: B, J
Precautionary procedure: O

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

What was found

PRIMARY INVERTER LIGHT WILL NOT EXTINGUISH AND ACCOMPANIED BY BAD ODOR. PERFORMED T/S OF PRI INVERTER SYS, FOUND PRIMARY INVERTER SHORTED/BURNED, R & R PRI INVERTER ASSY PN OFF DH-1030-24-600-CSIIB, SN OFF AB3130-S8, PN ON DH-1030-24-600-CSIIB, SN ON AB3023-S8. OPS TEST OF ACFT 400HZ INVERTER SYS CHECKS GOOD IAW DASH 8, AMM 24-22-00.