SDR COE2005F00004

Service difficulty report · Bpcu · Aerosp ATR42300

Difficulty date: December 9, 2005
Submitted: December 28, 2005
Operation: Air carrier
Aircraft: N912FX
Make and model: Aerosp ATR42300
Aircraft serial: 047
Engine: Pwa PW120
System (JASC): 2400 · Electrical Power System
Part: Bpcu
Part number: 111CC01A02
Condition: Inoperative
Part time: 14,962 hours
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

AIR TURNBACK, PILOT REPORTED (CAC SOUNDED, ELEC CAP WARNING ILLUMINATED, ADI (CPL DATA INVALID) ANNUNCIATION ON T/O ROLL. MAINTENANCE REPLACED EMER BATTERY CHARGER RELAY PROTECTION UNIT (BPU). OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (K)

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