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482 

14 CFR Ch. I (1–1–19 Edition) 

§ 26.43 

with §§ 121.1109 and 129.109 of this chap-
ter. 

(d) 

Future repair data not published. 

For repair data developed by a holder 
of a type certificate that are approved 
after January 11, 2008 and are not pub-
lished, the type certificate holder must 
accomplish the following for repairs 
specified in the repair data that affect 
fatigue critical baseline structure: 

(1) Perform a DTE and develop the 

DTI. 

(2) Submit the DT data required in 

paragraph (d)(1) of this section for re-
view and approval by the responsible 
Aircraft Certification Service office or 
its properly authorized designees. 

(3) Upon approval, make the approved 

DTI available to persons required to 
comply with §§ 121.1109 and 129.109 of 
this chapter. 

(e) 

Repair evaluation guidelines. 

Ex-

cept for airplane models whose type 
certificate is issued after January 11, 
2008, holders of a type certificate for 
each airplane model subject to this sec-
tion must— 

(1) Develop repair evaluation guide-

lines for operators’ use that include— 

(i) A process for conducting surveys 

of affected airplanes that will enable 
identification and documentation of all 
existing repairs that affect fatigue 
critical baseline structure identified 
under paragraph (b)(1) of this section 
and § 26.45(b)(2); 

(ii) A process that will enable opera-

tors to obtain the DTI for repairs iden-
tified under paragraph (e)(1)(i) of this 
section; and 

(iii) An implementation schedule for 

repairs covered by the repair evalua-
tion guidelines. The implementation 
schedule must identify times when ac-
tions must be taken as specific num-
bers of airplane flight hours, flight cy-
cles, or both. 

(2) Submit the repair evaluation 

guidelines to the responsible Aircraft 
Certification Service office for review 
and approval. 

(3) Upon approval, make the guide-

lines available to persons required to 
comply with §§ 121.1109 and 129.109 of 
this chapter. 

(4) If the guidelines direct the oper-

ator to obtain assistance from the 
holder of a type certificate, make such 

assistance available in accordance with 
the implementation schedule. 

(f) 

Compliance times. 

Holders of type 

certificates must submit the following 
to the responsible Aircraft Certifi-
cation Service office or its properly au-
thorized designees for review and ap-
proval by the specified compliance 
time: 

(1) The identified list of fatigue crit-

ical baseline structure required by 
paragraph (b)(2) of this section must be 
submitted no later than 180 days after 
January 11, 2008 or before issuance of 
the type certificate, whichever occurs 
later. 

(2) For published repair data that are 

current as of January 11, 2008, the DT 
data required by paragraph (c)(3) of 
this section must be submitted by June 
30, 2009. 

(3) For repair data published after 

January 11, 2008, the DT data required 
by paragraph (c)(3) of this section must 
be submitted before FAA approval of 
the repair data. 

(4) For unpublished repair data devel-

oped after January 11, 2008, the DT 
data required by paragraph (d)(1) of 
this section must be submitted within 
12 months of the airplane’s return to 
service or in accordance with a sched-
ule approved by the responsible Air-
craft Certification Service office. 

(5) The repair evaluation guidelines 

required by paragraph (e)(1) of this sec-
tion must be submitted by December 
30, 2009. 

(g) 

Exceptions. 

The requirements of 

this section do not apply to the fol-
lowing transport category airplane 
models: 

(1) Convair CV–240, 340, 440, if modi-

fied to include turbine engines. 

(2) Vickers Armstrong Viscount, 

TCDS No. A–814. 

(3) Douglas DC–3, if modified to in-

clude turbine engines, TCDS No. A–618. 

(4) Bombardier CL–44, TCDS No. 

1A20. 

(5) Mitsubishi YS–11, TCDS No. 

A1PC. 

(6) British Aerospace BAC 1–11, TCDS 

No. A5EU. 

(7) Concorde, TCDS No. A45EU. 
(8) deHavilland D.H. 106 Comet 4C, 

TCDS No. 7A10. 

(9) deHavilland DHC–7, TCDS No. 

A20EA. 

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