Sofema Online (SOL)  reviews best practices for a routine Aircraft Cabin Cleaning Operation – Consider the Following Example Work Instruction

Introduction & Safety Precautions

• Ensure an organized approach to cleaning. Utilize the right tools, technology, and cleaning solutions for optimal results.
• Always wear appropriate protective equipment, such as gloves and masks.
• Ensure the aircraft is properly ventilated during cleaning.
• Store cleaning chemicals in a safe location, away from children and pets.
• Follow the manufacturer's instructions for all cleaning equipment and solutions.

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Concerning Operational Approval

Ref - AMC3 SPA.RVSM.105 RVSM operational approval (ED Decision 2017/009/R)

a. Maintenance programme

The aircraft maintenance programme should include the instructions for continuing airworthiness issued by the type certificate holder in relation to the RVSM operations certification in accordance with AMC1 ACNS.A.GEN.010. 

Official Title

Technical Implementation Procedures for Airworthiness and Environmental Certification under The Agreement on Civil Aviation Safety between The Government of Canada & the European Union (Revision 3 - 18 September 2017).

Purpose

The purpose of these Technical Implementation Procedures is to define the interface requirements and activities between Transport Canada Civil Aviation (TCCA) and the European Aviation Safety Agency (EASA) for the import, export, and continued support of civil aeronautical products.

TCCA and EASA shall conduct their certification and validation activities consistent with the Agreement on Civil Aviation Safety (hereafter referred to as the Agreement) and these Technical Implementation Procedures.

Preparation for Entry Into the Fuel Tank

It is most important to ensure that all persons who are engaged in the process of Fuel Tank Entry are fully trained on all aspects of the following information to ensure that all precautions are taken and all risks minimised.

Steps which must be taken include the following:

a) Ensure the aircraft is electrically grounded

b) Ensure that Fire Extinguishers are available (typically CO2 would be used for a Fuel Fire

c) Deactivate all Electrical Systems on the Aircraft and suitable placard

d) Defuel the aircraft using the Aircraft Maintenance Manual Procedures

e) Deliver a safe atmosphere for maintenance personnel by ensuring the following:

In aviation we have procedures for just about every activity. As we understand procedures are connected to policies as well as the need to demonstrate regulatory compliance.
 
Procedures belong within the QC environment but facilitate the functioning of the QA process. Without procedures auditing becomes very challenging (Ultimately it is the business area owner or post holder/nominated person (NP) who has the ultimate responsibility for the integrity of the procedure).

In our PART M - CAR M / Part 145 – CAR 145 environment we have the Continuous Airworthiness Management Exposition (CAME) and the Maintenance Organization Exposition (MOE) Procedures as well as a myriad of other documents.

What is the difference between Policy, Process and Procedures?
 
A Policy is essentially a set of basic principles and associated guidelines, formulated and enforced by the organization typically designed to demonstrate compliance with a regulatory obligation and in so doing demonstrate objectives and actions in pursuit of long-term goals.
 
A Process is typically understood to be a sequence of usually separate but linked procedures and which, also requires a number of resources to achieve.
 
Procedures provide instructions or guidance ideally in clear, non-ambiguous, and effective manner describing in “simple language” to how a particular task or activity should be accomplished.

Whilst many organisations have procedures related to Fuel Tank Safety processes, there are considerably less in respect of processes and practices related to Electrical Wiring Interconnect Systems.

What Procedures should we consider?

a) Procedures in respect of Tripped Circuit Breakers and how we will manage the associated trouble shooting activities. To ensure that Flight Crew never reset circuit breakers (or reset circuit breakers) unless the procedure is a direct “in flight” instruction driven by documentation available on board the aircraft for example as an OPS Manual procedure.

To also ensure that ground support personnel carry out trouble shooting before proceeding to reset a circuit breaker as simply resetting without additional maintenance activity may be a pre-cursor to a more serious problem and even subsequently a fire.