Service difficulty report · Battery Pack · Snias AS350*

Difficulty date
January 25, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Snias AS350*
Aircraft time
1,238 hours
Engine
Tmeca ARRIEL1D1
Part
Battery Pack
Part number
811BATT1
Condition
Leaking
Location
Clock
Part time
1,096 hours
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
H

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

What was found

(CAN) ON A ROUTINE INSPCTION AN AME FOUND THE UNIT BATTERY PACK IN A VERY BAD CONDITION FOLLOWING BATTERY LEAKAGE ON THE UNIT AND ON THE TFM 148 HOLDING RACK, THE CALENDAR TIME ACCUMULATED ON THE UNIT WAS 2 YEARS. THE UNIT WAS STILL WORKING AND NOBODY HAD REPORTED ANY DEFECT CONCERNING THIS UNIT. AFTER A SEARCH WE FOUND NO PLANED MAINTENANCE ITEM IN THE COMPANY MAINTENANCE CONTROL SYS RELATED TO THIS INSTALLATION THAT COULD HAVE PREVENT THIS OCCURENCE. AFTER CONSULTING THE MFR RECOMMANDATION THE COMPANY DECIDED TO ADD A PLANED YEARLY VERIFICATION OF THE NEW BATTERY PACK INSTALLED. A SPECIFIC ITEM HAVE BEEN ADDED TO THE MAINTENANCE CONTROL SOFTWARE IN RELATION OF THIS UNIT AND THE BATTERY PACK HAVE BEEN RELOCATED TO EASE THE MAINTENANCE ACTION REQUIRED FOR THIS INSTALLATION.