COPYRIGHT© 1992 

CESSNA AIRCRAFT COMPANY 

WICHITA, KANSAS, USA 

525MM23 

A Textron Company 

Maintenance Manual 

MODEL 525 

f) Member of GAMA 

1 DECEMBER 1992 

REVISION 23 1 JULY 2012 
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CESSNA AIRCRAFT COMPANY 

MODEL 525 

MAINTENANCE MANUAL 

LIST OF REVISIONS 

1. General 

A. This maintenance manual includes the original issue and the revisions listed in Table 1. To make sure 

that the information in this manual is current and the latest maintenance and inspection procedures 

are available, the revisions must be included in the manual as they are issued. 

Table 1. Original Issue 1 December 1992 

Revision Number Date Revision Number Date 

1 April 1993 2 1 October 1993 

3 1 April 1994 4 1 February 1996 

5 1 May 1997 6 1 June 1998 

7 1 December 1998 8 3 December 1999 

9 1 December 2000 10 1 June 2001 

11 3 December 2001 12 4 March 2002 

13 2 September 2002 14 3 March 2003 

15 1 November 2004 16 1 September 2005 

17 1 March 2006 18 1 September 2006 

19 1 September 2007 20 1 November 2008 

21 1 December 2009 22 1 November 2010 

23 1 July 2012 

B. FAA Approved Airworthiness Limitations are incorporated in this maintenance manual as Chapter 4. 

Table 2. 

Revisions to Chapter 4 are dated as approved by the FAA Regional Manager, Aircraft Certification 

Office. To make sure that the maintenance information required under Parts 43.16 and 91.409 of the 

Federal Aviation Regulations is current, the revisions listed in Table 2 must be included in Chapter 4 

as they are issued. 

Original Issue 16 September 1992 

Revision Number Date Revision Number Date 

1 June 1994 

3 9 February 2001 

5 11 July 2003 

7 9 February 2005 

9 28 November 2007 

11 23 April 2012 

© Cessna Aircraft Company 

2 

4 

6 

8 

10 

11 August 1999 

21 May 2002 

6 October 2003 

26 July 2005 

25 September 2009 

LIST OF REVISIONS Page 1 

Jul 1/2012 
CESSNA AIRCRAFT COMPANY 

MODEL 525 

MAINTENANCE MANUAL 

CHAPTER 

· ...• AIRWORTHINESS 

LIMITATIONS . THE AIRWORTHINESS LIMITATIONS SECTION IS FAA APPROVED AND GIVES INSPECTIONS AND 

··. MAINTENANCE THAT ARE REQUIRED BY PARTS 43.16 AND 91.403 OF TITLE 14 OF THE CODE OF FEDERAL 

. REGULATIONS, UNLESS AN ALTERNATIVE PROGRAM HAS BEEN FAA APPROVED. 

APPROVED BY ot~ tl.~ 

LAWRENCEA.HERRON,MANAGER 

AIRCRAFT CERTIFICATION OFFICE 

FEDERAL AVIATION ADMINISTRATION 

WICHITA, KANSAS 

DATE OF APPROVAL ~EPT. 1~, I tftf2 

16 SEPTEMBER 1992 

REVISION 11 23 APRIL 2012 
CESSNA AIRCRAFT COMPANY 

MODEL 525 

MAINTENANCE MANUAL 

LIST OF EFFECTIVE PAGES 

CHAPTER-SECTION-SUBJECT 

04-Title 

PAGE DATE 

04-List of Effectivity Page 

04-Record of Temporary Revisions 

04-Contents 

4-00-00 

4-10-00 

4-11-00 

4-11-03 

© Cessna Aircraft Company 

APPROVED BY 

Mif~tt<lbe, M 

A:immft Cdbt!m F~raf A\li~lioo Admin!:$ liM 

Page 1 Sep 25/2009 

Pages 1-2 Apr 23/2012 

Pages 1-2 Apr 23/2012 

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Wld'lita. Kmus . 

OATEOFAPPROVAL. -p1& ~ .Z"!L 

4 - LIST OF EFFECTIVE PAGES Page 1 of 1 

Apr 23/2012 
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CESSNA AIRCRAFT COMPANY 

MODEL 525 

MAINTENANCE MANUAL 

REPLACEMENT TIME LIMITS 

1. General 

2. 

A. Certification for 14 CFR23.571 and 23.572 requires the pressurized cabin, wing, and empennage be 

of a fail-safe or safe life design. If the safe life approach is chosen, life limits must be established on 

those parts so designated prior to obtaining certification. Since the Model 525 design is fail-safe, a 

safe life (or life limit) need not be, and has not been, established for any of the affected parts. 

Replacement Schedule 

A. Air Conditioning (Chapter 21) 

(1) Compressor Drive Motor Brushes (Compressor Motors 1134104-1, -5) - Replace every 500 

compressor hours. 

NOTE: Refer to the Enviro Systems Inc. Component Maintenance Manual (CMM) 21-00-05. 

B. Landing Gear (Chapter 32) 

(1) Nose Landing Gear 

NOTE: Attaching hardware (bolts, bearings, bushings, trunnion pins, and trunnion/link pin 

related to the installation of the components given below) is replaced whenever the 

related component is replaced. Refer to the applicable section in Chapter 32 for more 

information. 

(a) Nose Landing Gear Strut Assembly (Part Number 6342000-11, -13, -17, -19, -21, -23, 

-26, -31, -34, -37, -40, -43), except the fork and piston assembly- Replace every 22,500 

landings 

(b) Fork and Piston Assembly (Part Number 6342000-3, -32, -39)- Replace every 12,500 

landings 

(c) Actuator (Part Number 9912370-2, -3, -4)- Replace every 22,500 landings 

(d) Actuator (Part Number 9912370-5)- Replace every 7,500 landings 

(2) Main Landing Gear 

NOTE: Attaching hardware (bolts, bearings, bushings, trunnion pins, and trunnion/link pin 

related to the installation of the components given below) is replaced whenever the 

related component is replaced. Refer to the applicable section in Chapter 32 for more 

information. 

(a) Left Trailing Link and Axle Assembly (Part Number 6341002-1, -7, -9, -13, -15, -17, 19) 

1 Airplanes -0001 thru -0359 - Replace every 28,300 landings 

~ Airplanes -0360 thru -0599 - Replace every 23,400 landings 

~ Airplanes -0600 and On - Replace every 21,100 landings 

(b) Right Trailing Link and Axle Assembly (Part Number 6341002-2, -8, -10, -12, -16, -18, 20) 

1 Airplanes -0001 thru -0359 - Replace every 28,300 landings 

~ Airplanes -0360 thru -0599 - Replace every 23,400 landings 

3 Airplanes -0600 and On - Replace every 21,100 landings 

(c) Left Trunnion Assembly (Part Number 6341007-1, -3, -5, -7, -9, -11, DDA04018-1) 

1 Airplanes -0001 thru -0107, Not Incorporating SB525-32-16- Replace every 3000 

landings 

~ Airplanes -0108 thru -0359, and Airplanes -0001 thru -0107 Incorporating SB525-32-

16 - Replace every 12,480 landings 

3 Airplanes -0360 thru -0599 - Replace every 1 0,346 landings 

4 Airplanes -0600 and On- Replace every 9310 landings 

(d) Right Trunnion Assembly (Part Number 6341007-2, -4, -6, -8, -10, -12, DDA04065-1) 

1 Airplanes -0001 thru -0107, Not Incorporating SB525-32-16- Replace every 3000 

landings 

2 Airplanes -0108 thru -0359, and Airplanes -0001 thru -0107 Incorporating SB525-32-

16 - Replace every 12,480 landings 

© Cessna Aircraft Company 

4-11-00 Page 1 

Apr 23/2012