Federal Aviation Administration, DOT

Section 121.374

operations specifications, for each airplane-engine combination used in
ETOPS. The certificate holder must
develop
this
ETOPS
CAMP
by
supplementing
the
manufacturer-s
maintenance program or the CAMP
currently approved for the certificate
holder. This ETOPS CAMP must include the following elements:
(a) ETOPS maintenance document. The
certificate holder must have an ETOPS
maintenance document for use by each
person involved in ETOPS.
(1) The document must - 
(i) List each ETOPS significant system,
(ii) Refer to or include all of the
ETOPS maintenance elements in this
section,
(iii) Refer to or include all supportive
programs and procedures,
(iv) Refer to or include all duties and
responsibilities, and
(v) Clearly state where referenced
material is located in the certificate
holder-s document system.
(b) ETOPS pre-departure service check.
Except as provided in Appendix P of
this part, the certificate holder must
develop a pre-departure check tailored
to their specific operation.
(1) The certificate holder must complete a pre-departure service check immediately before each ETOPS flight.
(2) At a minimum, this check must - 
(i) Verify the condition of all ETOPS
Significant Systems;
(ii) Verify the overall status of the
airplane by reviewing applicable maintenance records; and
(iii) Include an interior and exterior
inspection to include a determination
of engine and APU oil levels and consumption rates.
(3) An appropriately trained maintenance person, who is ETOPS qualified,
must accomplish and certify by signature ETOPS specific tasks. Before an
ETOPS flight may commence, an
ETOPS pre-departure service check
(PDSC) Signatory Person, who has
been authorized by the certificate holder, must certify by signature, that the
ETOPS PDSC has been completed.
(4) For the purposes of this paragraph
(b) only, the following definitions
apply:
(i) ETOPS qualified person: A person
is ETOPS qualified when that person

satisfactorily completes the operator-s
ETOPS training program and is authorized by the certificate holder.
(ii) ETOPS PDSC Signatory Person:
A person is an ETOPS PDSC Signatory
Person when that person is ETOPS
qualified and that person:
(A) When certifying the completion
of the ETOPS PDSC in the United
States:
(1) Works for an operator authorized
to engage in part 121 operation or
works for a part 145 repair station; and
(2) Holds a U.S. Mechanic-s Certificate with airframe and powerplant ratings.
(B) When certifying the completion
of the ETOPS PDSC outside of the U.S.
holds a certificate in accordance with
Section 43.17(c)(1) of this chapter; or
(C) When certifying the completion
of the ETOPS PDSC outside the U.S.
holds the certificates needed or has the
requisite experience or training to return aircraft to service on behalf of an
ETOPS maintenance entity.
(iii) ETOPS maintenance entity: An
entity authorized to perform ETOPS
maintenance and complete ETOPS
PDSC and that entity is:
(A) Certificated to engage in part 121
operations;
(B) Repair station certificated under
part 145 of this chapter; or
(C) Entity authorized pursuant to
Section 43.17(c)(2) of this chapter.
(c) Limitations on dual maintenance.
(1) Except as specified in paragraph
(c)(2), the certificate holder may not
perform scheduled or unscheduled dual
maintenance during the same maintenance visit on the same or a substantially similar ETOPS Significant System listed in the ETOPS maintenance
document, if the improper maintenance could result in the failure of an
ETOPS Significant System.
(2) In the event dual maintenance as
defined in paragraph (c)(1) of this section cannot be avoided, the certificate
holder may perform maintenance provided:
(i) The maintenance action on each
affected ETOPS Significant System is
performed by a different technician, or
(ii) The maintenance action on each
affected ETOPS Significant System is
performed by the same technician

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