855 

Federal Aviation Administration, DOT 

Pt. 43, App. B 

burner is designated as interchangeable in 
the balloon type certificate data and the bas-
kets and burners are specifically designed for 
quick removal and installation. 

(28) The installations of anti-misfueling de-

vices to reduce the diameter of fuel tank 
filler openings provided the specific device 
has been made a part of the aircraft type 
certificiate data by the aircraft manufac-
turer, the aircraft manufacturer has pro-
vided FAA-approved instructions for instal-
lation of the specific device, and installation 
does not involve the disassembly of the ex-
isting tank filler opening. 

(29) Removing, checking, and replacing 

magnetic chip detectors. 

(30) The inspection and maintenance tasks 

prescribed and specifically identified as pre-
ventive maintenance in a primary category 
aircraft type certificate or supplemental 
type certificate holder’s approved special in-
spection and preventive maintenance pro-
gram when accomplished on a primary cat-
egory aircraft provided: 

(i) They are performed by the holder of at 

least a private pilot certificate issued under 
part 61 who is the registered owner (includ-
ing co-owners) of the affected aircraft and 
who holds a certificate of competency for the 
affected aircraft (1) issued by a school ap-
proved under § 147.21(e) of this chapter; (2) 
issued by the holder of the production cer-
tificate for that primary category aircraft 
that has a special training program approved 
under § 21.24 of this subchapter; or (3) issued 
by another entity that has a course approved 
by the Administrator; and 

(ii) The inspections and maintenance tasks 

are performed in accordance with instruc-
tions contained by the special inspection and 
preventive maintenance program approved 
as part of the aircraft’s type design or sup-
plemental type design. 

(31) Removing and replacing self-con-

tained, front instrument panel-mounted 
navigation and communication devices that 
employ tray-mounted connectors that con-
nect the unit when the unit is installed into 
the instrument panel, (excluding automatic 
flight control systems, transponders, and 
microwave frequency distance measuring 
equipment (DME)). The approved unit must 
be designed to be readily and repeatedly re-
moved and replaced, and pertinent instruc-
tions must be provided. Prior to the unit’s 
intended use, and operational check must be 

performed in accordance with the applicable 
sections of part 91 of this chapter. 

(Secs. 313, 601 through 610, and 1102, Federal 
Aviation Act of 1958 as amended (49 U.S.C. 
1354, 1421 through 1430 and 1502); (49 U.S.C. 
106(g) (Revised Pub. L. 97–449, Jan. 21, 1983); 
and 14 CFR 11.45) 

[Doc. No. 1993, 29 FR 5451, Apr. 23, 1964, as 
amended by Amdt. 43–14, 37 FR 14291, June 
19, 1972; Amdt. 43–23, 47 FR 41086, Sept. 16, 
1982; Amdt. 43–24, 49 FR 44602, Nov. 7, 1984; 
Amdt. 43–25, 51 FR 40703, Nov. 7, 1986; Amdt. 
43–27, 52 FR 17277, May 6, 1987; Amdt. 43–34, 57 
FR 41369, Sept. 9, 1992; Amdt. 43–36, 61 FR 
19501, May 1, 1996; Amdt. 43–45, 77 FR 71096, 
Nov. 29, 2012] 

A

PPENDIX

B 

TO

P

ART

43—R

ECORDING OF

 

M

AJOR

R

EPAIRS AND

M

AJOR

A

LTER

-

ATIONS

 

(a) Except as provided in paragraphs (b), 

(c), and (d) of this appendix, each person per-
forming a major repair or major alteration 
shall— 

(1) Execute FAA Form 337 at least in dupli-

cate; 

(2) Give a signed copy of that form to the 

aircraft owner; and 

(3) Forward a copy of that form to the FAA 

Aircraft Registration Branch in Oklahoma 
City, Oklahoma, within 48 hours after the 
aircraft, airframe, aircraft engine, propeller, 
or appliance is approved for return to serv-
ice. 

(b) For major repairs made in accordance 

with a manual or specifications acceptable 
to the Administrator, a certificated repair 
station may, in place of the requirements of 
paragraph (a)— 

(1) Use the customer’s work order upon 

which the repair is recorded; 

(2) Give the aircraft owner a signed copy of 

the work order and retain a duplicate copy 
for at least two years from the date of ap-
proval for return to service of the aircraft, 
airframe, aircraft engine, propeller, or appli-
ance; 

(3) Give the aircraft owner a maintenance 

release signed by an authorized representa-
tive of the repair station and incorporating 
the following information: 

(i) Identity of the aircraft, airframe, air-

craft engine, propeller or appliance. 

(ii) If an aircraft, the make, model, serial 

number, nationality and registration marks, 
and location of the repaired area. 

(iii) If an airframe, aircraft engine, pro-

peller, or appliance, give the manufacturer’s 
name, name of the part, model, and serial 
numbers (if any); and 

(4) Include the following or a similarly 

worded statement— 

‘‘The aircraft, airframe, aircraft engine, 

propeller, or appliance identified above was 
repaired and inspected in accordance with 

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