4. Dispatch Following a Flap Failed Event
(6) Part V. Dispatch following a flap fail event:
The description in the procedures is a vicious loop and jeopardizes safety of flight.
There is nothing stated to stop the operator from resetting the breakers
indefinitely.
(i)Within 10 flight cycles following the initial on-ground circuit breaker reset
operation, do the maintenance actions specified in paragraph (h)(6) of this AD.
(ii)If another flap fail event occurs any time after the initial circuit breaker reset
operation, do the maintenance action actions specified in paragraph (h)(6) of this
AD before further flight.
However, as stated in (h)(6) “except if maintenance actions in accordance cannot
be done and normal operation flap system operation can be restored after an on-
ground circuit breaker reset operation, then continue revenue operation is
permitted without further maintenance action for up to 10 flight cycles…”
Technically, operators can continue revenue flight indefinitely as long as aircraft
lands where maintenance actions cannot be done.
Hermes Garcia
This is comment on Rule
Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 and 440) Airplanes
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