SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 1900D · Airworthiness Directives
Overview
This document is a Schedule of Airworthiness Directives specifically for the Beechcraft 1900 Series Aeroplanes, focusing on the Model 1900D. It addresses a critical safety issue regarding the propeller mounting bolts that may have been under-torqued during installation. The directive outlines the applicability to specific serial numbers of the 1900D and mandates compliance checks to ensure the safety and airworthiness of the aircraft. The document is intended for operators and maintenance personnel responsible for the upkeep of the Beechcraft 1900D, ensuring they are aware of the necessary actions to maintain compliance with safety regulations.
- The directive applies to Beechcraft 1900D aircraft with specific serial numbers.
- Propeller mounting bolts must be checked for torque settings.
- Bolts with torque settings below 60 ft-lbs must be replaced before flight.
- Bolts with torque settings of 60 ft-lbs or greater must be re-torqued according to manufacturer procedures.
- Compliance is required within 50 hours TIS from the effective date.
Document
Source
Originally published by services.casa.gov.au. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Airworthiness Directives
- Year
- 1997
- Pages
- 1
- File size
- 11 KB
- Publisher
- services.casa.gov.au
Common. Rarer than 1% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Beechcraft 1900D.
- 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
Applicability
The directive applies to Beechcraft 1900D aircraft with serial numbers UE176 through UE280, UE282, and UE284. It specifically targets those aircraft that have not had their propeller removed and re-installed since factory installation or have not had the propeller attachment bolts re-torqued.
Requirement
Operators of the applicable aircraft must check the torque of the propeller mounting bolts according to Raytheon urgent action letter number 52-0092. If any bolts are found to have a torque setting of less than 60 ft-lbs, they must be replaced before further flight. Bolts with torque settings of 60 ft-lbs or greater must be re-torqued following the manufacturer's procedures.
Compliance
Compliance with this airworthiness directive is required within the next 50 hours of time in service (TIS) following the effective date of the directive, which is 24 September 1997.
Background
The FAA has reported incidents where certain Beechcraft 1900D airplanes were inadvertently installed with under-torqued propeller mounting bolts. These bolts, if not properly torqued, could lead to fatigue cracking and potential loss of the propeller, posing a significant safety risk.
Safety notes
- Under-torqued propeller mounting bolts can lead to fatigue cracking and possible loss of a propeller.
Full document text
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 1900 Series Aeroplanes AD/BEECH 1900/19 Under Torqued Propeller Mounting Bolts 12/97 DM Applicability: Model 1900D aircraft (serial numbers UE176 through UE280, UE282 and UE284, that have not had the propeller removed and re-installed since factory installation or have not had the propeller attachment bolts re-torqued. Requirement: For applicable aircraft, the propeller mounting bolts are to be checked for correct torque figures in accordance with Raytheon urgent action letter number 52-0092, dated 22 July 1997. Mounting bolts with a torque setting of less than 60ft-lbs are to be replaced before further flight. Mounting bolts with torque settings of 60ft-lbs or greater are to be re-torqued in accordance with manufacturer’s procedures. Note: FAA AD 97-17-08 amendment 39-10111 refers. Compliance: Compliance with this directive is required within the next 50 hours time in service (TIS) following the effective date of issue of this directive. The effective date of issue of this directive is 24 September 1997. Background: The FAA has received reports that certain Raytheon model 1900D airplanes were inadvertently installed with under-torqued propeller mounting bolts. Three reports to date have discovered torque settings of 60ft-lbs or less which could lead to fatigue cracking of the bolts and possible loss of a propeller.
What's in the Beechcraft 1900D 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.
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