Beechcraft Service Bulletin No. 66-48
Beechcraft A23-24 Super III Musketeer · Service Bulletins
Overview
This document is a service bulletin issued by the Department of Civil Aviation in Finland, specifically addressing maintenance procedures for several Beechcraft aircraft models, including the A23-24 Super III Musketeer. It emphasizes the importance of maintaining airworthiness through regular inspections and corrective actions. The bulletin outlines specific procedures to ensure the proper tightening and securing of the fuel filter retaining bolt, which is critical for preventing fuel leaks. The document serves as a guideline for maintenance personnel to ensure compliance with airworthiness directives and maintain the safety of the aircraft.
- The fuel filter retaining bolt must be tightened to 25 inch-pounds.
- The bulletin applies to Beechcraft models A23, A23A, A23-19, and A23-24 Super III.
- Maintenance actions must be recorded in the aircraft logbook.
Document
Source
Originally published by www.traficom.fi. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Bulletins
- Year
- 1966
- Pages
- 1
- File size
- 64 KB
- Publisher
- www.traficom.fi
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Most owners only have the POH. Here's the essential set for the Beechcraft A23-24 Super III Musketeer.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Maintenance Procedure
The bulletin specifies that maintenance personnel must check the fuel filter retaining bolt to ensure it is tightened to the correct torque of 25 inch-pounds. This is crucial for preventing fuel leaks. Additionally, the retaining bolt must be secured to the airframe, not just to the filter valve, following the provided diagram.
Affected Models
The service bulletin applies to several Beechcraft models, including the A23, A23A Musketeer, A23-19 Musketeer Sport III (serial numbers MB-1 to MB-119), and A23-24 Musketeer Super III (serial numbers MA-1 to MA-93). This broad coverage ensures that all relevant aircraft are addressed in the maintenance directive.
Compliance Requirement
Compliance with the directive is mandatory for maintaining the aircraft's airworthiness. The maintenance action must be recorded in the aircraft's logbook, indicating the nature of the work performed.
Safety notes
- Failure to properly secure the fuel filter retaining bolt may lead to fuel leaks, posing a safety hazard.
Full document text
• ILMAILU OSASTON TIEDOTUKSIA 1 N FOR M A T tOM FROM THE DEPARTMENT OF CIYIL AVIATION LENTOKELPOISUUS- M 344/66 TIEDOTUS 11.11.1966 AIRWORYMIHESS DIRECTIVE M—määräyksen mukainen toimenpide on lentokoneen jatkuvan lentokelpoisuuden edellytyksenä. Suoritettu toimenpTde on merkittävä lentokone—, moottori— tai potkurikirjaan toimenpiteen laadun mukaan. 344. M—määräys No. 344/66: Beechcraft, polttoainesuodattimen pidätinpultin kiristys ja varmistus Koskee: Seuraavia Beechcraft—koneita: 23, A23 ja A23A Musketeer malleja sarjanumeroon M—976 asti A23—19 Musketeer Sport III malleja, sarjanumerot väliltä MB—l ja MB—119 A23—24 Musketeer Super III malleja, “ MA—l ja MA—93 Viite: Beechcraft Service Bulletin No. 66—48. ~x~:Polttoainevuotojen estäminen. Suoritettava: Toimenpidekohdan mukainen tarkastus seuraavassa määräaikaishuol lossa. Toimenpiteet : a) Tarkasta, että polttoainesuodattimen pidätinpultti on kiristetty oikeaan vääntö— momenttiinsa, joka on 25 tuumanaulaa (inch—pounds), kuten suodattimeen on mer— k 1 tty. b) Varmista pidätinpultti lisäksi runkoon (ei suodattimen venttiiliin) oheisen ku- van mukaisesti. Helsingissä marraskuun II päivänä 1966 Vt. i Imai lun tarkastaja C—E. Cal~s KULKULAITOSTEN JA YLEISTEN TÖIDEN MINISTERIÖ MINISTRY FOR CDMMUNICATIONS AND PUDLIC WORKS OF FINLAND 1 LMAI LUOSASTO DEPARTMENT OF CIVIL AVIATION SiItasaa~nkatu 12 A—H ELSI N KI 53 Puh. 7 6 5 8 1 1 Telephone Sihkeos. C IV 1 L A 1 R Telegrams TE LEX 12—1247 Varrnistuslanka — 7036—66 EA/KS
What's in the Beechcraft A23-24 Super III Musketeer TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.