AD NUMBER: PL2007-26-51
MANUFACTURER: Eurocopter Deutschland
SUBJECT: Airworthiness Directive PL2007-26-51 SUMMARY: This Emergency
Airworthiness Directive (EAD) is prompted by a report of a fatal
accident involving the failure of a tail rotor control rod (control
rod). This condition, if not corrected, could result in the failure
of a control rod and subsequent loss of control of the
The FAA has reviewed Eurocopter Alert Service Bulletin No.
EC135-67A-017, dated December 13, 2007 (ASB). The ASB describes
procedures for checking the attachment hardware on the control rod
for tight fit, checking the ball pivot for damage and freedom of
movement, and replacing any damaged part before the next
The European Aviation Safety Agency (EASA) notified us that an
unsafe condition may exist on Eurocopter EC135 and EC635
helicopters. EASA advises that an accident recently occurred with
an EC135 helicopter in Japan. Preliminary investigation results
indicate that the helicopter loss of control was due to the failure
of the control rod.
EASA has classified the Eurocopter ASB as mandatory and issued
EASA AD No. 2007-0301-E, dated December 13,2007, to ensure the
continued airworthiness of these helicopters in Germany.