repair of deep dents cuts scars niks etc and straighting of aluminium blades

calibration of an instrument

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

skis and ski pedestals

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

Replenishing hydraulic fluid in the hydraulic reservoir.

all philippine registered aircraft shall be weighed at the following periods when used for commercial or aerial work operation every

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

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

the performance of tasks required to ensure that continuing airworthiness of an aircraft including anyone of combination of overhaul

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

shortening of blades

hydraulic and electric activating system of components

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

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

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

Installation of an accessory which is not approved for the engine.

the splicing of skin sheets

the repair of portion of skin sheets by making additional seams

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

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

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

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

Complete disassembly of complex hydraulic power valves.

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

installation of propeller deicing system

All Philippine registered aircraft shall be re-weighed at the following periods When used in general aviation every

calibration of avionics or computer equipment

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

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

change to the basic design of the fuel oil cooling heating cabin pressurization electrical hydraulic de icing or exhaust system

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

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

replacement of outer lamitation on fixed picth wood propeller

Refinishing decorative coating of fuselage, balloon baskets, 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 required.

change the hub design

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

rewinding the field coil of an electric accessories

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

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