(1)
Definitions from ATA World Airlines Technical Operations Glossary (WATOG).
(a)
Accident:________An occurance associated with the operation of an aircraft which takes place between the time any person boards the aircraft with the intention of flight, until such time as all such persons have disembarked, in which: 1) Any person suffers death or serious injury as a result of
being in or upon the aircraft, or by direct contact with the aircraft or anything attached thereto; or 2) Any damage is caused to the property of a third party.
(b)
Damage, accidental:__________________Physical deterioration of an item caused by contact or impact with an object or influence which is not a part of the aircraft, or by improper manufacturing or maintenance practices.
(2)
Non-WATOG definitions used in the guidelines.
(a)
Engine:______Engines made by Pratt & Whitney Division of United Technologies Corporation.
(b)
Engine parts:____________Parts sold by Pratt & Whitney and: 1) Delivered as original equipment in an engine installed on an airplane, or 2) Installed in a spare engine,
or 3) Sold by Pratt & Whitney as new spare parts for an engine.
NOTE: Engine parts include vendor-supplied accessories and
____ components which are approved by Pratt & Whitney.
(c) Abnormal operation circumstances:________________________________Accidents or other events which occur outside the operation envelope for: 1) The engine,
or
2) The airplane,
or
3) The engine and airplane combination as it was initially certified, and where inspection, refurbishment, and repair data are not in FAA approved publications such as Engine Manuals, Service Bulletins, etc.
TASK 70-00-02-912-001-N00
2. Abnormal Operational Circumstances - Engine and Engine Parts Unacceptable_________________________________________________________________________ for Continued Aircraft Usage____________________________
A. Access
(1) Location Zones
412 No. 1 Power Plant
422 No. 2 Power Plant
432 No. 3 Power Plant
442 No. 4 Power Plant
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B. Procedure
S 912-021-N00
(1) Pratt & Whitney considers engines and engine parts involved in the following types of circumstances unacceptable for continued aircraft usage:
NOTE: It is recognized that an aircraft could be damaged beyond
____ economical repair without any resulting engine involvement. In such cases, the engine and engine parts can be considered "not involved" in an abnormal operational circumstance.
(a)
Engine and engine parts installed in an aircraft totally destroyed by fire.
(b)
Engine and engine parts totally engulfed in fire to the extent that outer cases have been heat discolored or distorted, or the engine is otherwise damaged by heat over a significant area of the engine, either external or internal.
(c)
Engine and engine parts installed in an aircraft totally destroyed by impact damage.
TASK 70-00-02-912-007-N00
3. Abnormal Operational Circumstances - Engine and Engine Parts Potentially________________________________________________________________________ Acceptable for Continued Aircraft Usage_______________________________________
A. Access
(1) Location Zones
412 No. 1 Power Plant
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