The state having jurisdiction over the organization responsible for the type of design

Conversion of an aircraft engine from one approve model to another involving any change in compression ratio propeller reduction gear impeller gear ratios of the substitution of major engine parts which requires extensive work and testing of the engine

Calibration of an instrument

Overhaul of pressure type carburetors, and pressure type fuel, oil, and hydraulic pumps.

Special repair to structural engine parts by welding planting metallizing or other method

Rewinding the field coil of an electric accessories

Installation of an accessory which is not approved for the engine

Replacement of fabric on fabric convert parts such as wings fuselage stabilizer and control surface

Refinishing decorative coating of fuselage, balloon basket, wings tail group surfaces (excluding balanced control surfaces), fairings, cowlings, landing gear, cabin or cockpit interior when removal or disassembly of any primary structure or operating system is not requiredpreventive maintenance

Change to the empty balance with result in an increase in the maximum certificated weight of center of gravity limits of the aircraft

No person may assign nor shall any person maintenance function for aircraft unless that person has had minimum rest period of

The alteration of an aircraft aeronautical product in conformity with an approved standard

The splicing of skin sheets

Making a small simple repair to fairings, nonstructural covers plates, cowling and small patches

The state having jurisdiction over the organization responsible for the final assembly of the aircraft engine or propeller

A certification confirm that the maintenance work to which it relates has been complied with an accordance with an applicable standard of airworthiness using approved data

Complete disassembly of complex hydraulic power valves

Conversion of any short for the purpose of using fuel of a rating of grade other than that listed in the engine specification

The emotion relieve the person performance function from all duties for 24 consecutive hours during any

Change the hub design

Calibration of avionics or computer equipment

Replacement of outer lamitation on fixed pitch wood propeller

The performance of task required to ensure that continuing airworthiness of an aircraft including anyone of combination of overhaul

Replenishing hydraulic fluid in the hydraulic reservoir

A simple minor preservation operation and the replacement of a small standard parts not involving complex assembly operation

The set of process by which an aircraft engine propeller or parts complies with the acceptable airworthiness requirements and remain in a condition for safe operation through its operation life

Repairing upholstery and the decorative furnishing of the cabin cockpit or balloon basket interior when the repairing does not require disassembly or any primary structure

Separation of disassembly of a crankcase or crankshaft of a reciprocating engine equipped with other than spur type propeller reduction gearing

The restoration of an aircraft aeronautical product by using method technique and practice acceptable to the authority when it has been disassembled

All philippines registered aircraft shall be re-weighed at the following periods: When used for commercial or aerial works operations

Following unscheduled duty periods, the person performing maintenance functions for aircraft shall have a mandatory rest period of

Installation of propeller deicing system

Skis and ski pedestals

Shortening of blades

The restoration of an aircraft aeronautical product using method technique and practice acceptable to the authority including disassembly cleaning and inspection as permitted

Repair of deep dents, cuts, scars, nicks, etc. and straitening of aluminum blades

Change to the basic design of the fuel il cooling heating cabin pressurization electrical hydraulic deicing or exhaust system

All Philippine registered aircraft shall be re-weighted at the following periods when used in general aviation

The repair of portion of skin sheets by making additional seams

Any appreciable changes in design of an airframe, power-plant, propeller, or appliance

An aircraft or any component thereof is an alteration other than a major alteration

Might cause an appreciable changes in its weight, balance, structural strength, performance, power-plant operation, flight characteristics, or other qualities affecting airworthiness, or an alteration which is not accomplished in accordance with accepted practices or cannot be performed by means of elementary operations.

A repair which, if improperly accomplished, would adversely affect the structural strength, performance, flight characteristics, power-plant operation, or other qualities affecting airworthiness, or a repair which is not accomplished in accordance with accepted practices or cannot be performed by means of elementary operations.

Simple or minor prevention operation and the replacement of small standard parts not involving complex assembly operations