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Federal Register / Vol. 86, No. 54 / Tuesday, March 23, 2021 / Proposed Rules
or section D2, in Piper Aircraft, PA36, Pawnee Brave Kit 764393, Left Wing Main Spar Caps Replacement, dated June 9, 2012
Piper Kit 764393, or Piper Aircraft, PA36, Pawnee Brave Kit 764394, Right Wing Main Spar Caps Replacement, dated June 9, 2012
Piper Kit 764394, as applicable.
Note 2 to paragraph h3: This note applies to paragraphs h3 and 7 of this AD. Replacement parts for the left and right wing spar fittings P/N 9771200 and the right, left, top, and bottom spar assemblies P/
Ns 9770100 and 9770101 are included with Piper Kit 764393 and Piper Kit 764
394.

4 Remove from service spar carry through assembly P/N 9737000 or 7682402, as applicable, and replace with an unused zero hours TIS spar carry through assembly P/N
7682402.
5 Remove from service spar assembly P/
Ns 9770100 and 9770101, Revision P or later revision, and replace with an unused zero hours TIS spar assembly by following the Instructions, sections B. and C., in Piper Kit 764393 or Piper Kit 764394, as applicable.
6 Remove from service any spar carry through assembly P/N 7676700 or P/N
7682402 and replace with an unused zero
hours TIS spar carry through assembly P/N
7682402.
7 Remove from service spar assemblies P/
Ns 9770100 and 9770101, Revision N or earlier revision, and replace with an unused zero hours TIS left spar cap replacement kit P/N 764393 and right spar cap replacement kit P/N 764394 by following the Instructions, sections B. and C., in Piper Kit 764393 or Piper Kit 764394, as applicable.
8 Remove from service wing attachment lower bolt P/N 7724500 and replace with an unused zero hours TIS P/N 7724500 bolt.
BILLING CODE 491013P

Table 1 to paragraph h-Compliance Times for Life Limit Replacement of Wing Com onents Airplanes
Type of Replacement
Paragraph of this AD

hl h2
h3
Models PA-36-285 and PA-36-300

h5

h6

h7

h8

Life Limit Hours Time-in-Service on the Component
Serial Numbers S/Ns 36-7360001
throu h 36-7560003
S/Ns 36-7560004
through 36-7560055

Initial Repetitive
4,100
4,100

4,100
4,100

NIA
NIA

NIA
NIA

3,100
4,100

2,000
2,000

Initial Repetitive
4,100
4,100

NIA
NIA

4,000
4,100

3,100
4,100

2,000
2,000

S/Ns 36-7560056
through 36-7660122

Initial Repetitive
4,100
4,100

NIA
NIA
NIA
NIA

4,100
4,100

4,000
4,100

2,000
2,000

S/Ns 36-7660123
through 36-8160023

Initial Repetitive
4,100
4,100

4,100
4,100

4,100
4,100

NIA
NIA

NIA
NIA
NIA
NIA

Initial Repetitive
i Credit for Previous Actions You may take credit for the actions required by paragraph g of this AD if you performed those actions before the effective date of this AD using Piper Aircraft Corporation Service Bulletin No. 552, dated February 3, 1978.

Jkt 253001

hl h2
h3

h4

h5

h6

h7

h8

4,100
4,100

4,100
4,100

4,100
4,100

NIA
NIA

NIA
NIA

2,000
2,000

j Alternative Methods of Compliance AMOCs 1 The Manager, Atlanta ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending
PO 00000

Frm 00012

Fmt 4702

Sfmt 4702

information directly to the manager of the certification office, send it to the attention of the person identified in Related Information.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/
certificate holding district office.

E:FRFM23MRP1.SGM

23MRP1

EP23MR21.000

S/Ns 36-7802001
through 36-8302025

17:08 Mar 22, 2021

2,000
2,000

Life Limit Hours Time-in-Service on the Component
Model PA-36-375

VerDate Sep<11>2014

h4