## Sep.S/N DateTIS Failure Design Data Manufacturing Dates Manufacturing Lot # Service History Data Operator
# (assembly) of Total Location Assembly Head Head Thread Barrel Assembly Head Barrel Assembly Head Barrel OverhaulsEngine A/C Aircraft Turbo? Name Failure (hrs.) Description Drawing 631397 Drawing 65415 Drawing 631399 Drawing 634501 or 65157 Date of Date of Date of # S/N S/N Model Y or N

Rev. Rev. Rev. Rev. Manuf. Manuf. Manuf. 1 4464-24 3/31/2003 87 dome radius K 65385-Rev.C1 G N / IR 1/20/2003 6881.1 247848R Cessna 207A N 2 4360-32 12/2/2008218.1 dome radius K 65385-Rev.C G N / IR 1/15/2003 6460.1 514938711ALCessna 340A Y John Ball 3 5482-19 9/3/2003 283 K 65385-Rev.C G N / IR 2/14/2003 7544.1 4 7141-16 11/15/2003 269 K 65385-Rev.C G N / IR 4/14/2003 9795.1 5 7819-23 4/23/2004 204 K 65385-Rev.C G N / IR 5/23/2003 9999.1 514461414PG Cessna 414 Y 6 8013-28 8/12/2009 960 dome radius K 65385-Rev.C G N / IR 5/19/2003 9997.1 Y 7 12612-5 4/28/2004 200 L IR2 G N / IR 10/10/2003 16100.1 514728 236A Cessna 414 Y 8 13515-11 6/15/2010 360 thread M IR H N / IR 1/5/2004 19369.1 Cessna 340A Y MDN Aviation 9 13515-26 8/12/2008 338 thread M IR H P / A 2/5/2004 21260.1 284233RC-GTYFCessna 182 N Marcel Ray (IO-550-D Conv.) 10 13670-3 4/18/2006 1301 thread M IR H P / A 1/22/2004 810386R3149P Beech 58P N 11 16757-6 3/18/2005 475 P IR J P / A 4/1/2004 22060.1 96HCCessna T310R Y 12 18700-1 5/1/2009 663 thread P IR J R / A 6/17/2004 26676.1 7304NCessna U206F N 13 19441-28 6/5/2007 290 P IR J R / A 7/23/2004 26316.1 N 1420940-22 12/12/2005 89 P IR J R / A 8/19/2004 29329.1 Cessna U206F N 15 21327-19 2/7/2005 721 P IR J R / A 9/10/2004 28112.1 Cessna 401 Y 16 21432-10 10/14/2008355 dome radius P IR J R / A 8/31/2004 27427.1 296794R6036 Beech A36 N 1721590-14 4/27/2009 150 dome radius P IR J R / A 9/10/2004 29950.1 296593R181Y Beech A36 N RL Enterprises Group 1821994-21 5/11/2006 330 P IR J R / A 9/16/2004 24174.1 710USCessna 414 Y 19 22241-24 7/14/2010 264 P IR J R / A 10/11/2004 24184.1 514486341HCCessna 340A Y Kevin Sand 2022389-9 5/3/2006 170.2 P IR J R / A 10/5/2004 29567.1 G6758258277D Beech A36 N 21 22537-24 5/3/2006 171.7 P IR J R / A 10/5/2004 29567.1 G6758258277D Beech A36 N 22 22838-19 3/11/2009 390 dome radius P IR J R / A 10/20/2004 29011.1 815505R720SE Beech 58P N Centex Management 23 23217-13 12/30/2008257 dome radius P IR J R / A 10/19/2004 30496.1 276635340DPCessna 340A Y Dr. Raymond Dellporta 2423343-15 8/1/2005 505 P IR J R / A 10/26/2004 31461.1 25 23258-14 5/18/2008423.9 dome radius P IR J R / A 11/1/2004 29014.1 5214781252G Cessna 414 Y Addison Aviation Inc 2633947-29 11/20/2008210 thread R A K U / B 11/22/2005 47527.1 6754886749G Beech A36 N Roy Pinson 2734684-13 10/1/2010 1061 thread R A K T / A 11/6/2005 47303.1 Cessna 310R N 2835955-22 5/20/2009 1163 thread R A K U / B 1/6/2006 47021.1 5194854243C Cessna 414 Y Donald Halbert 2945312-15 9/12/2009 1095 thread R B L V / C 3/2/2007 63858.1 7608UCessna T207A Y 3050785-26 4/3/2009 196 thread R C L V / C 11/20/2007 72344.1 Beech 58P Y 31 51847-12 7/30/2010 71.2 thread R C L V / C 1/23/2008 73215.1 822341RXB-KQQCessna 414A Y Copyrent Del Norleste 32 51973-08 8/4/2009 835 R C L V / C 1/28/2008 74217.1 Cessna 414 Y 3352884-22 11/13/2008416 thread R C L V / C 6/4/2008 79433.1 824671R4638FCessna P206 N

34 19990-27 2/14/2006 203 thread RAM Reported 35 30691-12 9/16/2009 153 thread RAM Reported 36 22973-5 4/4/2006 129 thread RAM Reported 37 32499-3 3/21/2006 thread RAM Reported 38 43931-08 3/2/2011 755 thread RAM Reported 39 23137-13 1/10/2007 407 thread RAM Reported 40 23250-2 dome radius RAM Reported 41 51681-12 12/6/2011 802 thread RAM Reported 42 34103-20 1/27/2011 876 RAM Reported 43 16911-8 10/27/2006 thread RAM Reported 44 19707-25 5/11/2006 thread RAM Reported 45 10351-17 4/20/2006 73 dome radius RAM Reported 46 18125-16 11/2/2004 96 dome radius RAM Reported 47 49351-09 6/30/2011 679 thread RAM Reported 48 23258-21 8/17/2009 78 thread RAM Reported 49 11035-2510/31/2005 517 thread RAM Reported 50 21994-1 RAM Reported 1 AEC65385-Rev.C was the final Classic Cast head machining, with machining & casting details on the same drawing. With AEC65385-Rev.D, it specifically became the current head casting drawing.
2AEC631397-Rev.L (8110-3 approved on 9-25-03) was the first assembly to use the current AEC65415 head machining. Note: List of confirmed separations only. Design data revision levels are based on 8110-3 approval within specified manufacturing dates.51 54139 8/17/2009 thread RAM Reported 52 57304-30 7/11/2011 2024 thread RAM Reported 53 33328-19 2/6/2007 thread RAM Reported 54 23250-9 1/7/2007 dome radius RAM Reported 55 33514-19 7/24/2007 1168 thread RAM Reported 56 13589-1211/12/2007 855 thread RAM Reported 57 23258-30 12/3/2007 dome radius RAM Reported 58 22537-26 4/8/2005 72 dome radius RAM Reported 59 57228-15 6/16/2009 800 thread RAM Reported
60 66836-1112/16/2013 541 cracked SDR BGJA2013121600749Cessna 414A
61 66638-0612/16/2013 541 cracked SDR BGJA20131274141 Cessna 414A
62 44014-10 7/22/2013 634 cracked SDR LZ2R201412160014 Cessna 340A
63 43952-05 7/22/2013 634 cracked SDR LZ2R2013121600753Cessna 340A
64 9/12/2009 1095 thread Forced Landing – NTSB Inspected 65 40914-021/18/2011 Cracked SDR XGN2011F00003 Cessna 402B 66 50755-291/18/2011 1219 Cracked SDR XGN2011F00002 Cessna 402B 67 50687-071/18/2011 1219 Cracked SDR XGNA2011F00001 Cessna 402B 68 2/23/2010 360 Separation Field Report requested they fill out SDR but have not seen one
69 61105-24 3/2/2012 1180 Separation SDR FPIA2012F00004 Virtual Separation Cessna 210L
70 61105-22 2/2/2012 1180 Separation SDR FPI2012F00005 Virtual Separation Cessna 210L 71 68330-28 1/3/2012 951 Cracked SDR FPI2012F00002 Cessna 210L 72 60495-2312/7/2010 300 Cracked Field Report requested they fill out SDR but have not seen one 73 38937-1811/13/2013826 Cracked SDR 2013FA0000685 Cessna 340A 74 44504-137/22/2013 634 Cracked SDR 2013FA0000684 Cessna 340A
75 42809-287/22/2013 634 Cracked SDR LZ2R2013121600025Cessna 340A 76 43951-167/22/2013 634 Cracked SDR 2013FA0000681 Cessna 340A

77 43931-117/22/2013 634 Cracked SDR BGJA2013121600752Cessna 340A 78 66239-174/1/2013 623 Cracked SDR 2013FA0000679 Cessna 414A
79 50785-163/14/2014 1107 thread Air Hamptons – FAA has cylinder
80 42778-0211/13/2013826 Cracked SDR 2013FA0000686 09/12/2009 Cessna 340A

NOTE: 2004–NE–07–AD - 28 additional reports of head to barrel failures could have been caused by interference fit or dome radius issues, not just due to an overheardened condition as stated in the AD.