SDR 2005F00057

Service difficulty report · Battery · Bell 206B

Difficulty date
February 9, 2005
Submitted
March 15, 2005
Operation
Air carrier
Aircraft
N1078Y
Make and model
Bell 206B
Aircraft serial
2924
Engine
Allsn 250B*
Part
Battery
Condition
Weak
Location
Electrical Sys
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
O

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

What was found

DURING FLIGHT THE GENERATOR FAILED, COMPLETED EMERGENCY PROCEDURES, 7-8 MINUTES LATER EXPERIENCED INTERMITTENT THEN COMPLETE ELECTRICAL FAILURE. RADIOS INOPERATIVE, 0 FUEL PRESSURE, LOW FUEL INDICATION AND FLUCTUATING TOT WITHIN YELLOW RANGE. MAINTAINED 500 FEET AND CIRCLED BEHIND SISTER SHIP AND LANDED BEHIND AIRLOG AIRCRAFT. MAINTENANCE TROUBLESHOT THE GENERATOR SYSTEM FOUND NO PROBLEMS WITH GENERATOR, IT CAME ON LINE AND STAYED ON LINE, VOLTAGE OUTPUT AT THE REGULAOR WAS GOOD AND THE VOLTAGE TO THE BATTERY WAS GOOD. REMOVED THE BATTERY DUE TO BEING WEAK, LOW VOLTAGE. GROUND RAN AIRCRAFT AND RECHECKED THE GENERATOR SYSTEM AND THE SYSTEM FUNCTIONED NORMAL, BATTERY CHARGED UP NORMAL. (M)

More about the Bell 206B