SDR C2XA11IA249

Service difficulty report · Switch · Emb EMB145LR

Difficulty date: July 3, 2011
Submitted: November 8, 2011
Operation: Air carrier
Aircraft: N11565
Make and model: Emb EMB145LR
Aircraft serial: 145621
Aircraft time: 22,743 hours, 17,380 cycles
System (JASC): 2450 · AC Power Distribution System
Part: Switch
Part number: 4800101
Condition: Inoperative
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

IAH - FLIGHT 4457 THE CREW REPORTED A BACKUP BATTERY OFF BUSS INDICATION IN FLIGHT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE BACKUP BATTERY PUSHBUTTON SWITCH, AND CONTACTOR K0305, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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