Service difficulty report · Cable · Bell 412

Difficulty date
October 15, 2010
Submitted
October 21, 2010
Operation
Air carrier
Aircraft
N293CA
Make and model
Bell 412
Aircraft serial
33005
Aircraft time
22,381 hours
Engine
Pwa PT6T3B
Part
Cable
Part number
6340603
Condition
Broken
Location
Emergency Float
Part time
1,058 hours
Component
Emergency Float
Component part number
6140803
Stage of operation
IN
How discovered
O
Nature of condition
O, Z
Precautionary procedure
K

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

What was found

THE ACFT IS EQUIPPED WITH STC'D EMERGENCY FLOAT BAGS WITH LIFE RAFT. THE EMERGENCY RAFT PULL CABLE TO ACTIVATE THE RAFT FAILED COMPLETELY DURING THE INITIAL 24 MONTH ROUNTINE INSP. THE CABLE IS MADE FROM INFERIOR NON-AVIATION GRADE MATERIALS AND THIS FAILURE IS COMMON AMONG ALL THE KITS FOR VARIOUS MODELS OF ACFT. THE STC NR FOR THIS PARTICULAR KIT IS SR01459LA. IF THE ACFT WAS ACTUALLY IN AN EMERGENCY WATER LANDING CONDITION THE PASSENGERS AND CREW WOULD NOT HAVE BEEN ABLE TO INFLATE THE RAFT BEFORE THE ACFT POSSBILY SINKING IN MODERATE TO ROUGH SEAS AND BECAUSE THERE ARE NO CARRY ON LIFE RAFTS REQUIRED DUE TO THIS KIT WITH 2 RAFTS INCORPORATED THEY WOULD HAVE HAD NO OTHER SURVIVAL EQUIPMENT OTHER THAN THE LIFE VEST THAT THEY WERE WEARING.

More about the Bell 412