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Federal Aviation Administration, DOT
§ 121.703
(b) Each certificate holder shall have
an approved procedure for keeping ade-
quate copies of the record required in
paragraph (a) of this section in the air-
plane in a place readily accessible to
each flight crewmember and shall put
that procedure in the certificate hold-
er’s manual.
§ 121.703 Service difficulty reports.
(a) Each certificate holder shall re-
port the occurrence or detection of
each failure, malfunction, or defect
concerning—
(1) Fires during flight and whether
the related fire-warning system func-
tioned properly;
(2) Fires during flight not protected
by a related fire-warning system;
(3) False fire warning during flight;
(4) An engine exhaust system that
causes damage during flight to the en-
gine, adjacent structure, equipment, or
components;
(5) An aircraft component that
causes accumulation or circulation of
smoke, vapor, or toxic or noxious
fumes in the crew compartment or pas-
senger cabin during flight;
(6) Engine shutdown during flight be-
cause of flameout;
(7) Engine shutdown during flight
when external damage to the engine or
airplane structure occurs;
(8) Engine shutdown during flight due
to foreign object ingestion or icing;
(9) Engine shutdown during flight of
more than one engine;
(10) A propeller feathering system or
ability of the system to control over-
speed during flight;
(11) A fuel or fuel-dumping system
that affects fuel flow or causes haz-
ardous leakage during flight;
(12) An unwanted landing gear exten-
sion or retraction, or an unwanted
opening or closing of landing gear
doors during flight;
(13) Brake system components that
result in loss of brake actuating force
when the airplane is in motion on the
ground;
(14) Aircraft structure that requires
major repair;
(15) Cracks, permanent deformation,
or corrosion of aircraft structures, if
more than the maximum acceptable to
the manufacturer or the FAA;
(16) Aircraft components or systems
that result in taking emergency ac-
tions during flight (except action to
shut down an engine); and
(17) Emergency evacuation systems
or components including all exit doors,
passenger emergency evacuation light-
ing systems, or evacuation equipment
that are found defective, or that fail to
perform the intended functions during
an actual emergency or during train-
ing, testing, maintenance, demonstra-
tions, or inadvertent deployments.
(b) For the purpose of this section
during flight
means the period from the
moment the aircraft leaves the surface
of the earth on takeoff until it touches
down on landing.
(c) In addition to the reports required
by paragraph (a) of this section, each
certificate holder shall report any
other failure, malfunction, or defect in
an aircraft that occurs or is detected at
any time if, in its opinion, that failure,
malfunction, or defect has endangered
or may endanger the safe operation of
an aircraft used by it.
(d) Each certificate holder shall sub-
mit each report required by this sec-
tion, covering each 24-hour period be-
ginning at 0900 local time of each day
and ending at 0900 local time on the
next day, to the FAA offices in Okla-
homa City, Oklahoma. Each report of
occurrences during a 24-hour period
shall be submitted to the collection
point within the next 96 hours. How-
ever, a report due on Saturday or Sun-
day may be submitted on the following
Monday, and a report due on a holiday
may be submitted on the next work
day.
(e) The certificate holder shall sub-
mit the reports required by this section
on a form or in another format accept-
able to the Administrator. The reports
shall include the following informa-
tion:
(1) Type and identification number of
the aircraft.
(2) The name of the operator.
(3) The date, flight number, and stage
during which the incident occurred
(e.g., preflight, takeoff, climb, cruise,
descent landing, and inspection).
(4) The emergency procedure effected
(e.g., unscheduled landing and emer-
gency descent).
