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156 

14 CFR Ch. I (1–1–24 Edition) 

§ 121.365 

the certificate holder of the responsi-
bility specified in paragraph (a) of this 
section. 

[Doc. No. 6258, 29 FR 19210, Dec. 31, 1964, as 
amended by Amdt. 121–106, 38 FR 22378, Aug. 
20, 1973] 

§ 121.365 Maintenance, preventive 

maintenance, and alteration organi-

zation. 

(a) Each certificate holder that per-

forms any of its maintenance (other 
than required inspections), preventive 
maintenance, or alterations, and each 
person with whom it arranges for the 
performance of that work must have an 
organization adequate to perform the 
work. 

(b) Each certificate holder that per-

forms any inspections required by its 
manual in accordance with 
§ 121.369(b)(2) or (3) (in this subpart re-
ferred to as 

required inspections

) and 

each person with whom it arranges for 
the performance of that work must 
have an organization adequate to per-
form that work. 

(c) Each person performing required 

inspections in addition to other main-
tenance, preventive maintenance, or 
alterations, shall organize the perform-
ance of those functions so as to sepa-
rate the required inspection functions 
from the other maintenance, preven-
tive maintenance, and alteration func-
tions. The separation shall be below 
the level of administrative control at 
which overall responsibility for the re-
quired inspection functions and other 
maintenance, preventive maintenance, 
and alteration functions are exercised. 

[Doc. No. 6258, 29 FR 19210, Dec. 31, 1964, as 
amended by Amdt. 121–3, 30 FR 3639, Mar. 19, 
1965] 

§ 121.367 Maintenance, preventive 

maintenance, and alterations pro-

grams. 

Each certificate holder shall have an 

inspection program and a program cov-
ering other maintenance, preventive 
maintenance, and alterations that en-
sures that— 

(a) Maintenance, preventive mainte-

nance, and alterations performed by it, 
or by other persons, are performed in 
accordance with the certificate hold-
er’s manual; 

(b) Competent personnel and ade-

quate facilities and equipment are pro-
vided for the proper performance of 
maintenance, preventive maintenance, 
and alterations; and 

(c) Each aircraft released to service 

is airworthy and has been properly 
maintained for operation under this 
part. 

[Doc. No. 6258, 29 FR 19210, Dec. 31, 1964, as 
amended by Amdt. 121–100, 37 FR 28053, Dec. 
20, 1972] 

§ 121.368 Contract maintenance. 

(a) A certificate holder may arrange 

with another person for the perform-
ance of maintenance, preventive main-
tenance, and alterations as authorized 
in § 121.379(a) only if the certificate 
holder has met all the requirements in 
this section. For purposes of this sec-
tion— 

(1) A 

maintenance provider 

is any per-

son who performs maintenance, preven-
tive maintenance, or an alteration for 
a certificate holder other than a person 
who is trained by and employed di-
rectly by that certificate holder. 

(2) 

Covered work 

means any of the fol-

lowing: 

(i) Essential maintenance that could 

result in a failure, malfunction, or de-
fect endangering the safe operation of 
an aircraft if not performed properly or 
if improper parts or materials are used; 

(ii) Regularly scheduled mainte-

nance; or 

(iii) A required inspection item on an 

aircraft. 

(3) 

Directly in charge 

means having re-

sponsibility for covered work per-
formed by a maintenance provider. A 
representative of the certificate holder 
directly in charge of covered work does 
not need to physically observe and di-
rect each maintenance provider con-
stantly, but must be available for con-
sultation on matters requiring instruc-
tion or decision. 

(b) Each certificate holder must be 

directly in charge of all covered work 
done for it by a maintenance provider. 

(c) Each maintenance provider must 

perform all covered work in accordance 
with the certificate holder’s mainte-
nance manual. 

(d) No maintenance provider may 

perform covered work unless that work 

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157 

Federal Aviation Administration, DOT 

§ 121.369 

is carried out under the supervision 
and control of the certificate holder. 

(e) Each certificate holder who con-

tracts for maintenance, preventive 
maintenance, or alterations must de-
velop and implement policies, proce-
dures, methods, and instructions for 
the accomplishment of all contracted 
maintenance, preventive maintenance, 
and alterations. These policies, proce-
dures, methods, and instructions must 
provide for the maintenance, preven-
tive maintenance, and alterations to be 
performed in accordance with the cer-
tificate holder’s maintenance program 
and maintenance manual. 

(f) Each certificate holder who con-

tracts for maintenance, preventive 
maintenance, or alterations must en-
sure that its system for the continuing 
analysis and surveillance of the main-
tenance, preventive maintenance, and 
alterations carried out by the mainte-
nance provider, as required by 
§ 121.373(a), contains procedures for 
oversight of all contracted covered 
work. 

(g) The policies, procedures, methods, 

and instructions required by para-
graphs (e) and (f) of this section must 
be acceptable to the FAA and included 
in the certificate holder’s maintenance 
manual as required by§ 121.369(b)(10). 

(h) Each certificate holder who con-

tracts for maintenance, preventive 
maintenance, or alterations must pro-
vide to its responsible Flight Standards 
office, in a format acceptable to the 
FAA, a list that includes the name and 
physical (street) address, or addresses, 
where the work is carried out for each 
maintenance provider that performs 
work for the certificate holder, and a 
description of the type of maintenance, 
preventive maintenance, or alteration 
that is to be performed at each loca-
tion. The list must be updated with 
any changes, including additions or de-
letions, and the updated list provided 
to the FAA in a format acceptable to 
the FAA by the last day of each cal-
endar month. 

[Docket FAA–2011–1136, Amdt. 121–371, 80 FR 
11546, Mar. 4, 2015, as amended by Docket 
FAA–2018–0119, Amdt. 121–380, 83 FR 9173, 
Mar. 5, 2018] 

§ 121.369 Manual requirements. 

(a) The certificate holder shall put in 

its manual a chart or description of the 
certificate holder’s organization re-
quired by § 121.365 and a list of persons 
with whom it has arranged for the per-
formance of any of its required inspec-
tions, other maintenance, preventive 
maintenance, or alterations, including 
a general description of that work. 

(b) The certificate holder’s manual 

must contain the programs required by 
§ 121.367 that must be followed in per-
forming maintenance, preventive 
maintenance, and alterations of that 
certificate holder’s airplanes, including 
airframes, aircraft engines, propellers, 
appliances, emergency equipment, and 
parts thereof, and must include at least 
the following: 

(1) The method of performing routine 

and nonroutine maintenance (other 
than required inspections), preventive 
maintenance, and alterations. 

(2) A designation of the items of 

maintenance and alteration that must 
be inspected (required inspections), in-
cluding at least those that could result 
in a failure, malfunction, or defect en-
dangering the safe operation of the air-
craft, if not performed properly or if 
improper parts or materials are used. 

(3) The method of performing re-

quired inspections and a designation by 
occupational title of personnel author-
ized to perform each required inspec-
tion. 

(4) Procedures for the reinspection of 

work performed pursuant to previous 
required inspection findings (

buy-back 

procedures

). 

(5) Procedures, standards, and limits 

necessary for required inspections and 
acceptance or rejection of the items re-
quired to be inspected and for periodic 
inspection and calibration of precision 
tools, measuring devices, and test 
equipment. 

(6) Procedures to ensure that all re-

quired inspections are performed. 

(7) Instructions to prevent any per-

son who performs any item of work 
from performing any required inspec-
tion of that work. 

(8) Instructions and procedures to 

prevent any decision of an inspector, 
regarding any required inspection from 
being countermanded by persons other