11, 2004 Applicability: All PC-12 and PC-12/45
airplanes. Requirement: Amend the Pilot’s Operating
Handbook (POH) by inserting either Temporary Revision (TR) No 11
(Report No 02211) or TR No 40 (Report 01973-001) into Section 2 of
the applicable POH. Compliance: Before further flight after the
effective date of this Directive. Background: The Swiss Federal Office for Civil
Aviation (FOCA) has received a report of abrupt nose down pitch
occurring following disconnection of the autopilot during an ILS
approach on a PC-12 aeroplane. Investigations have shown that when
the flaps are at 40°, if the autopilot is disconnected, there
is a possibility that an out of trim condition could occur and
result in reduced controllability of the aeroplane. This Directive
requires, as a temporary measure, revision of the Limitations
Section of the POH to include an instruction to disengage the
autopilot before a flap selection of 40° is made.
Please refer to the full AD for all relevant information.