SERVICE LETTER INDEX

                                 

SERVICE LETTER #1

Date: 8/20/63

Models: Bee Dee M-4, M-4

Serial #: 3-15

Re: Baggage straps & placard

 

SERVICE LETTER #2

Date: Not Available

Models: Bee Dee M-4, M-4, M-4-210

Serial #: 3-55

Re: Balance weight elevator

 

SERVICE LETTER #3

Date: 1/10/64

Models: M-4

Serial #: 3-46

Re: Binding & brake locking

 

SERVICE LETTER #4

Date: 7/21/64

Models:  M-4

Serial #: 46 and up

Re: Flight manual

 

SERVICE LETTER #5

Date: 8/25/64

Models: M-4

Serial #: 68-77

Re: Forward seat stop

 

SERVICE LETTER #6

Date: 11/18/64

Models: M-4-210

Serial #: 1001-1005

Re: Fuel system placards

 

SERVICE LETTER #7

Date: 6/15/65

Models: M-4-210

Serial #: 1001-1035

Re: Fuel system starvation

 

SERVICE LETTER #8

Date: 7/27/65

Models: Bee Dee M-4, M-4,

M-4-210

Serial #: Bee Dee M-4  (3-14),

M-4  (15-86), M-4-210  (1001-1028)

Re: Loose fabric at  windshield

SERVICE LETTER #9

Date: 11/8/65

Models: Bee Dee M-4,M-4,M-4-210

Serial #: 3-14 (Bee Dee M-4), #15-94 (M-4), #1001-1050 (M-4-210)

Re: Elevator trim control

SERVICE LETTER #10

Date: 11/24/65

Models: M-4-210

Serial #: 1002,1003,1005,1006,1008-1014, 1016,1017,1019-1021,1023-1027,1030,1031,1033

Re: Cracking engine mount tubes

SERVICE LETTER #11

Date: 2/11/66

Models: M-4, M-4210, M-4210C

Serial #: 3-15, 16-91,

1001-1043, 1001C-1010C

Re: No smoking placard

SERVICE LETTER #12

Date: 8/24/66

Models: M-4, M-4C, M-4S, M-4T

Serial #: 3-94, 1C, 2S, 1T

Re: Oil cooling kit

 

SERVICE LETTER #13

Date: 8/29/67

Models: M-4, M-4C, M-4T, M-4S, M-4-210, M-4-210C, M-4-220C,

M-4-220S

Serial #: 68-94, 1C-10C, 1T-3T,

1S-3S, 1001-1045, 1001C-1062C, 2001C-2004C, 2001S

Re: Fuel line plate

SERVICE LETTER #14

Date: 2/19/68

Models & Serial #'s:  M-4 (3-94),

M-4C (1C-10C), M-4S (1S-3S),

M-4T (1T-3T), M-4-210 (1001-1045),

M-4-210C (1001C-1064C),

M-4-220S (2001S),

M-4-220C (2001C-2006C)

Re: Rubber trim tab hinge mod.

SERVICE LETTER #15

Date: 11/12/68

Models: M-4-210

Serial #: M-4-210 (1001-1045,

M-4-210C (1001C-1074C, 1079C-1080C)

Re: Gross weight modification

 

SERVICE LETTER #16

Date: 8/20/63

Models: 220 Series with #5106 alternator

Re: Alternator switch

 

 

 

SERVICE LETTER #17

Date: 6/4/69

Models: M-4-C, M-4-210C,

M-4-220C

Serial #: 11C, 1066C, 1067C, 1071C, 1074C, 1075C, 1079C, 2012C, 2016C, 2018C-2025C

Re: Flap aileron hinge bracket crack

SERVICE LETTER #18

Date: 9/29/69

Models: M-4-220C & 220S

Serial #: 2001C-2025C, 2001S

Re: Throttle Linkage attachment malfunction

 

 

SERVICE LETTER #19

Date: 9/4/69

Models: M-4, M-4-210,

M-4-220S,T&C, M-4-1T-3T

Serial#: 1C-11C, 3-94, 1S-3S, M-4-210 (1001-1045, 1001C-1075C, 1079C, 1080C), M-4-220 (2001C-2029C, 2032C, 2001S)

Re: Lower control column pulley

SERVICE LETTER #20

Date: Not available

Models: M-4

Serial #: 4 - 91

Re: Engine mount cracks

 

 

 

SERVICE LETTER #21

Date: 2/18/71

Models: M-4-180C, M-4-220C

Serial #: M-4-180C (3001C-3004C), M-4-220C (2044C-2060C)

Re: Bucket seats out of track

 

 

SERVICE LETTER #22

Date: 5/10/81

Models: M-4-180, M-4-220

Serial #: M-4-180 (3001C-3003C),

M-4-220 (2001C-2068C)

Re: Electrical system

 

 

SERVICE LETTER #23

Date: 7/9/71

Models: M-4-180, M-4-220

Serial #: M-4-180 (3001C-3005C), M-4-220 (2001C-2070C)

Re: Fuel System

 

 

SERVICE LETTERS #24-27

Date: 5/14/73

Models: M-4-180C, M-4-220C/S

Serial #: 3001C-3006C, 2001S, 2001C-2126C, 2129C, 2175C, 2177C

Re: Franklin engines

SERVICE LETTER #28

Date: 6/26/74

Models: M-5-210C, M-5-220C

Serial #: M-5-210C (6001C-6014C, 6039C, 6043C-6045C), M-5-220C (5002C,5019C,5020C,5022C-5024C)

Re: Cooling mod. for M-5 planes Edo float equipped

SERVICE LETTER #29

Date: 9/16/77

Models: M-5-210C, M-5-220C

Serial #: M-5-210C (6001C-6050C),

M-5-220C (5001C-5037C)

Re: Clearance between prop & throttle controls & control column chain

 

SERVICE LETTER #30

Date: 8/20/74

Models: M-4-220, M-5-220

Serial #: M-4-220 (All)

M-5-220 (5001C-5024C)

Re: Right side exhaust system hangar brace

 

SERVICE LETTER #31

Date: Not available

Models: M-4-210, M-4-210C,

M-5-210C

Serial #: M-4-210 (1001-1045),

M-4-210C (1001C-1117C)

M-5-210C (6001C-6069C, 6072C, 6077C,6079C,6084C,6087C)

Re: Fuel injector return line

SERVICE LETTER #32

Date: 7/75

Models: M-4-220C

Serial #: 2120C and other retrofitted with aux. fuel tanks, M-5-210 (6001C-6108C {except 6070C}, 6071C, 6078C, 6089C, 6093C, 6098C-6101C, 6103C-6105C), M-5-220C (5002C-5057C)

Re: Quick drains for aux. fuel tank sumps

 

SERVICE LETTER #33

Date: 10/8/75

Models: M-4-210, M-5-210C

Serial #: M-4-210 (All),

M-5-210C (6001C-6085C)

Re: Exhaust manifold cracking

 

 

 

SERVICE LETTER #34

Date: 10/20/76

Models: M-5-235C

Serial #: 7002C-7018C,7020C, 7022C-7026C,7028C

Re: HC-C2YR-1BF/F8468A-62 propeller low pitch stop setting

 

 

 

SERVICE LETTER #35

Date: 1/7/77

Models: M-5, M-5-235C

Serial #: M-5 (6113C-6122C, 6126C, 6129C, 6130C, 6132C, 6136C, 6138C, 6142C, 6149C, 6156C, 6159C, 6161C, 6166C, 6171C, 6173C, 6178C)

M-5-235C (7007C, 7008C, 7010C, 7016C-7018C, 7020C, 7023C-7025C)

Re: Questionable flammability of burgundy upholstery fabric

SERVICE LETTER #36

Date: 4/27/77

Models: M-5-235C

Serial #: 7001C-7026C, 7030C-7032C, 7037C

Re: Revised center of gravity & C.G. envelope

 

SERVICE LETTER #37

Date: 2-25-77

Models: M-5-210C, M-5

Serial #: M-5-210C (6182C-6193C),

M-5 (7024C-7070C)

Re: Aileron pulley retaining washers

 

 

SERVICE LETTER #38

Date: 3-4-77

Models: M-5-235C

Serial #: 7073C-7073C, 7085C

Re: Possible float plane reinforcement deficiency

 

 

SERVICE LETTER #39

Date: 5-10-78

Models: M-5-210C, M-5-235C,

Serial #: M-5-210C (6190C-6204C)

M-5-235C (7061C-710C, 7163C-7167C, 7169C-7192C, 7194C, 7197C

Re: Possible collapsed fuel lines

 

SERVICE LETTER #40

8/20/63

Models: All M-5 models; 5000C, 6000C, 7000C

Serial #: 5057C, 6204C, 7219C

Re: Flap placard

 

SERVICE LETTER #41

Date: 11/3/78

Models: All M-5 models; 5000C, 6000C, 7000C

Serial #: 5057C, 6204C, 7219C

Re: "Razorback" decal

 

SERVICE LETTER #42

Date: 1-15-80

Models: M-4-210, M-4-210C

Serial #: M-4-210 (1001-1045

M-5-210C 91001C-1085C

Re: Engine replacement

 

SERVICE LETTER #43

Date: 8-10-81

Models: M-5-235C

Serial #: 7001C-7320C, 732C-7346C, 7348C, 7349C

Re: Modification for gross weight increase

 

SERVICE LETTER #44

Date: 8/10/81

Models: M-5-235C

Serial #: 7001C-7320C, 7322C-7346C, 7348C-7350C, 7352C-7362C, 7364C-7367C

Re: New flap ratchet

SERVICE LETTER #45

Date: 8-25-82

Models: M-5-210C

Serial #: 6001C-6202C

Re: New flap ratchet

 

SERVICE LETTER #46

Date: 7/20/82

Models: M-5-210C

Serial #: 6001C-6206C

Re: New flap ratchet

 

SERVICE LETTER #47

Date: 9/14/82

Models: M-5-210TC

Serial #: 9001C-9010C

Re: New flap ratchet

 

SERVICE LETTER #48

Date: 3-10-83

Models: M-5-220C

Serial #: 5001C-5057C

Re: New flap ratchet

 

SERVICE LETTER #49

Date: 3/10/83

Models: M-5-180C

Serial #: 8001C-8022C

Re: New flap ratchet

 

SERVICE LETTER #50

Date: 3/16/83

Models: M-4-180C

Serial #: 3001C-3006C

Re: Engine replacement

 

SERVICE LETTER #51

Date: 5/3/83

Models: M-5-220C

Serial #: 5001C-5057C

Re: Modification of gross weight increase

SERVICE LETTER #52

Date: 6/21/83

Models: M-5-235C, M-6-235

Serial #: M-5-235C (7104C, 7121C-7355C, 73576C-7376C

M-6-135 (7249C, 7356C, 7379C-7434C

Re: New alternator control system

SERVICE LETTER #53

Date: 8/7/83

Models: M-4-220C

Serial #: 2001C-2190C

Re: Engine replacement

 

 

SERVICE LETTER #54

Date: 9/12/94

Models: M-5-235C

Serial #: All

Re: Flight manual supplement #22

 

SERVICE LETTER #55

Date: 5/91

Models: All models

Serial #: All

Re: Elevator control cable system turnbuckle

 

SERVICE LETTER #56

Date: 2/19/93

Models: All models prior to 6-91 with Lycoming 0-360-C1F or 0-540-J1A5D engines

Re: Carburetor heat air valve

SERVICE LETTER #57

Date: 6/27/94

Models: M-4-210, M-4-210C, M-5-210C models with Continental I0-360 engines

Serial #: 3-15

Re: Fuel shutoff valve

SERVICE LETTER #58

Date: 10/21/98

Models: All models

Re: Wing lift struts

 

SERVICE LETTER #59

Date: 9/1/99

Models: All models M-5 and up

Re: Horizontal stabilizer struts, lower strut attach stub tubes and attaching hardware

 

SERVICE LETTER #60

Date: 3/9/84

Models: M-5-180C

Serial #: 8001C-8014C, 8016C-8019C, 8012C

Re: New alternator control system

 

SERVICE LETTER #61

Date: 7/8/99

Models: All models prior to 6/99

Re: Attach hardware for all doors

 

SERVICE LETTER #62

Date: 8/24/99

Models: MXT-7 & MT-7

Re: Nose gear and steering yoke attachment

 

SERVICE LETTER #63

Date: 12/7/99

Models: All models with bucket seats

Re: Adjustable front bucket seats

 

SERVICE LETTER #64

Date: 6/20/02

Models: M-4, M-5, M-6, M-7,

MXT-7, MT-7, M-8 prior to 3/28/02

Re: Forward elevator control bellcrank cable shackle

 

SERVICE LETTER #66

Date: 8/05/05

Models: MXT-7-180, M-8-235, MXT-7-160, MT-7-235, MXT-7-180A, M-7-235C, MT-7-260, MX-7-180C, M-7-420AC, M-7-260C, MX-7-180AC, MX-7-160C

Re: Attach bolts for spring gear and trigear models

 

SERVICE LETTER #67

Date: 12/16/05

Models: All Maule models equipped with Vortex Generators manufactured between 3/97-10/05

Re: Micro AeroDynamics Vortex Generator System Placard and AFM Supplement