(a) The pilot in command of each aircraft operated in controlled
airspace under IFR shall report as soon as practical to ATC any
malfunctions of navigational, approach, or communication equipment
occurring in flight.
(b) In each report required by paragraph (a) of this section, the pilot
in command shall include the --
(1) Aircraft identification;
(2) Equipment affected;
(3) Degree to which the capability of the pilot to operate under IFR in
the ATC system is impaired; and
(4) Nature and extent of assistance desired from ATC.