SERVICE BULLETIN INDEX

                                 

SERVICE BULLETIN #1

Date: 5/3/79

Models: M-4, M-5

Serial #: M-4 (4-94, 1001-1045, 1S-3S, 1T-3T, 1C-11C; M-4-210C (1001C-1117C); M-4-220S (2001S); M-4-220C (2001C-2190C); M-4-180C (3001C-3006C); M-5-220C (5001C-5057C); M-5-210C (6001C-6206C); M-5-235C (7001C-7283C); M-5-180C (8001C-8004C); M-5-210TC (900AC)

Re: Horizontal tail to fuselage front attach tubes

SERVICE BULLETIN #2

Date: 3-15-81

Models: BM-4, M-5

Serial #: M-4 (4-94, 1001-1045, 1S-3S, 1T-3T, 1C-11C; M-4-210C (1001C-1117C); M-4-220S (2001S); M-4-220C (2001C-2190C); M-4-180C (3001C-3006C); M-5-220C (5001C-5057C); M-5-210C (6001C-6206C); M-5-235C (7001C-7283C); M-5-180C (8001C-8004C); M-5-210TC (900AC)

Re: Balance weight elevator

 

SERVICE BULLETIN #3

Date: 116-81

Models: M-5 equipped with fuel injected IO-540-W engines

Serial # : M-5 (7322c, 7350c, A7354C, A7355C, A7358C, A7360C, A7361C, 7364C, 7365C, A7366C, A7367C); M-6-235 (7356C, 7379C, 7380C, 7382C-7388C, 7390C

Re: Alternator air intake hose

 

 

SERVICE BULLETIN #4

Date: 8/19/82

Models:  M-6-235

Serial #: 7421C-7429C, 7431C, 7432C

Re: Installation of Canadian Aircraft Products floats, Model 62-2000

 

 

 

 

SERVICE BULLETIN #5

Date: 10-21-84

Models: M-4, M-4-210, M-4-220C, M-4-220S, M-4-180C, M-5-220C, M-5-210C, M-5-235C, M-5-180C, M-6-210TC

Serial #: M-4 (4-4, 1S-3S, 1T-3T, 1C-11C); M-4-210 (1001C-1117C); M-4-220C (2001C-2190C); M-4-220S (2001S); M-4-180C (3001C-3006C); M-5-220C (5001C-5057C); M-5-210C (6001C-6206C); M-5-235C (7001C-7393C); M-5-180C (8001C-8019C); M-6-210TC (9001C-9010C)

Re: Quick drains for main fuel tanks.

 

SERVICE BULLETIN #6

Date: 12/15/83

Models: Models equipped with aux. fuel vent line check valves only; M-5-180 (8004C-8014C,8016C-8019C); M-6-180 (8020C); M-5-200 (8022C); M-5-210TC (9001C-9010C); M-5-235C (7290C-7355C, 7357C-7376C, 7451C); M-6-235 (7249C, 7356C, 7379C-7432C, 7434C-7443C, 7446C-7450C, 7453C-7455C, 7458C); M-7-235 (4002C, 4007C, and all aircraft retrofitted with aux. fuel line tank vent line check valves per Service Aid #1

Re: Auxiliary gas tank vent line check valves.

 

SERVICE BULLETIN #7

Date: Not available

Models: Models equipped with 20°/40° flap ratchet retrofitted per Service Letters #44, #46, #48 or #49, M-5 -220C (5001C-5057C); M-5-210C (6001C-6206C; M-5-235C (7001C-7045C, 7047C-7052C); M-5-180C (800AC-8014C, 8016C-8019C, 8021C); and includes any M-5 series airplane with this modification where the fuel crossover supply line routes between flap control handle and fuselage seat support frame in area where flap control handle travels

Re: Fuel crossover supply line located forward of and under front seats.

SERVICE BULLETIN #8

Date: 4/17/91

Models: M-7-420, MX-7-420

Serial #: M-7-420 (12001C & 12002C); MX-7-420 (13001-13003C)

Re: Panel light dimmer controls.

 

 

 

 

 

 

SERVICE BULLETIN #9

Date: 6/11/92

Models: All models

Re: Elevator control cable attachments.

 

 

 

SERVICE BULLETIN #10

Date: 9/16/94

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

Serial #: M-4-210 (1001-1045); M-4-210C (1001C-1080C)

Re: Relocation of gascolator & electric fuel pump when M-4-210 and early M-4-210Care equipped with dual exhaust system 5230F.

SERVICE BULLETIN #11

Date: 10/39/95

Models: All models

Re: Wing lift strut assembly inspection / replacement.

 

 

 

SERVICE BULLETIN #12

Date: 10/9/98

Models: All except M-4, M-4-C,

M-4C, M-4S, M-4T, M-4-180,

M-4-4210, M-4-210C, M-4-220C,

M-4-220S

Re: Aileron control cables.

 

 

SERVICE BULLETIN #14

Date: 3/16/98

Model:  All M-4's, M-5's, M-6's,

MX-7's, MST-7's, MT-7-235's, M-8's, M-7-235 A/B's

Re: Forward rudder control cables.

 

 

 

SERVICE BULLETIN #15

Date: 2/16/98

Models: Models with Lycoming

0-360-C1F, 0-360-C4F & 0-320-B2D engines - M-5-180C,

M-6-180, MX-7-180, MX-7-180A, MX-7-180B, MX-7-160,

MXT-7-180, MXT-7-180A,

MXT-7-160 manufactured prior to 4/95

Re: -60/-180 fuel pressure gauge hose installation.

SERVICE BULLETIN #16

Date: 3/7/96

Models: Models manufactured prior to 1996 with Lycoming 0-360-C1F, 0-360-C4F, 0-320-B4D,

0-540-J1A5D, 0-540-J3A5 &

0-540-B4B5 engines

Re: Carburetor heat air valve.

 

 

SERVICE BULLETIN #17

Date: 6/28/96

Models: All M-4's, M-5's, M-6's,

MX-7's, MXT-7's, MT-7-235's,

M-7-235/A/B's, M-8's

Re: Fuselage tubes located near forward rudder control cables.

 

 

SERVICE BULLETIN #18

Date: 3/20/97

Models: All M-4's, M-4S's, M-4T's, M-4C's (S/N 33-94 1S-3S, 1T-3T, 1C-11C), M-4-180C (S/N 3001C-3006C)

Re: Auxiliary fuel tanks in model M-4 (145 hp) & M-4-180C airplanes.

 

 

SERVICE BULLETIN #19

Date: 8/27/98

Models: Any aircraft which uses Maule TW-23 tire assembly that has replace the tire with a new tire after 5/5/97.

Re: Inspection/replacement of Maule p/n TW-23, 6:50x2:50 tire assembly that was purchased after 5/5/97.

 

SERVICE BULLETIN #20

Date: 12/27/99

Models: All models

Re: Nicropress sleeves on control cables.

 

 

 

 

SERVICE BULLETIN #21

Date: 3/24/03

Models: M-4-180C, M-4-220C, M-4-220s, M-5-220C

Serial #: M-4-180C (3001C-3006C); M-4-220C (2001C-2190C); M-4-220S (2001S); M-5-220C (5001C-5057C)

Re: Introduction of PLL-7 fuel pump and new fuel pump drive for Franklin engines, models 6A-335-B1A, 6A-350-C1 and 6A-350-CIR.

SERVICE BULLETIN #22

Date: 1/26/04

Models: MXT-7-180 (S/N 14001C, 14095C, 14096C, 14099C, 14100C, 14102C-14104C); MXT-7-235 (S/N 18042C, 18046C, 18048C, 18050C-18052C, 18056C, 18058C, 18081C); MXT-7-180A (S/N 21061C, 21068C, 21071C, 21074C-21076C, 21084C-21086C); M-7-235B (S/N 23056C, 23058C, 23073C); M-7-235C (S/N 25025C, 25056C, 25059C, 25064C, 25079C);

M-7-260 (S/N 26005C, 26101C, 26014C);

MT-7-260 (S/N 27002C, 27004C, 27006C, 27007C); MX-7-180C (S/N 28012C-28014C);

M-7-260C (S/N 30005C, 30011C-30013C, 30015C, 30018C, 30026C);

M-7-420A (S/N 35001C)

Re: Possibility of in-flight electrical fire.

SERVICE BULLETIN #23

Date: 5/20/04

Models: M-4-210 all with dual exhaust, M-4-220 all, M-4-180 all, M-5 all except M-5-210 with single exhaust and M-5-200, M-6 all, MX-7 all except M-7-420, M-8 all, MXT-7 all, MT-7 all

Re: Possible separation of the exhaust tailpipe from the muffler. Concerns are overheating of firewall components and fire.

 

 

 

 

 

SERVICE BULLETIN #24

Date: 6/7/04

Models: All Maule Models

Re: Possible cracking of the brackets welded on the fuselage frame which support the brake cylinders. These brackets are located in line with, just forward of, and below the rudder pedals.

 

 

 

 

 

 

SERVICE BULLETIN #25

Date: 8/13/04

Models: All Maule Models Delivered From The Factory Between June23, 2003 And August 1, 2004

Re: Elevator trim tabs or hinges shipped from the factory during this period should be inspected in accordance with this Service Bulletin.

 

 

 

 

SERVICE BULLETIN #26

Date: 6/14/05

Models: All Maule Models with swing out windows installed.

Re: Swing out windows.

 

 

 

SERVICE BULLETIN #27

Date: 3/13/06

Models: M-7-420, MX-7420, M-7-420AC,

M-7-420A, MT-7-420

Re: Possible fuel leakage from the (Fuel System) Header Tank; Header Tank Vent Installation.

 

 

SERVICE BULLETIN #28

MANDATORY

Date: 5/24/07

Models: All Maule models certificated from January 1, 2004 to May 1, 2007.

Re: Turnbuckle Rod Eye End Bushings of the Flap Control Mechanism omitted on some of the above listed aircraft.

 

SERVICE BULLETIN #566

MANDATORY

Date: 7/11/05

Models: Any Lycoming engine model specified in this bulletin manufactured, rebuilt, overhauled or repaired after March 1, 1999.

Re: Crankshaft Replacement in Lycoming Engines.