SDR SIMA20160130001

Service difficulty report · Gcu · Emb EMB145

Difficulty date: January 30, 2016
Submitted: February 1, 2016
Operation: Air carrier
Aircraft: N608LM
Make and model: Emb EMB145
Aircraft serial: 145068
Aircraft time: 42,043 hours, 35,298 cycles
System (JASC): 2424 · AC Regulator
Part: Gcu
Part number: 51545002A
Part serial: 98143
Condition: Failed
Location: Nr 4
Stage of operation: UK
How discovered: O
Nature of condition: O
Precautionary procedure: B

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

What was found

ON FINAL WE TURNED THE APU ON IAW MEL 24-4, ONCE APU ON LINE, RECVD GEN 1 - 4 OFF BUS, SHORTLY AFTER WE LOST EICAS FOR 5 - 10 SECONDS, GEN 1 WAS SHOWING 7.4 VOLTS 0 A. SUSPECT NR 4 GCU. R & R GCU IAW AMM 24-31-02. PERFORMED OPERATIONS CHECK IAW AMM 24-31-00. OPERATIONS CHECKED GOOD.

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