Aircraft Maintenance Technology

APR 2014

The aircraft maintenance professional's source for technological advancements, maintenance alerts, news, articles, events, and careers

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L E G A L M A T T E R S Demo video online See all of our tools, equipment and videos on our website 832-934-0055 TOOLS AND EQUIPMENT DESIGNED BY MECHANICS FOR MECHANICS OXYGEN FILL ADAPTER • 3 in 1 tool: Fill port connector, wrench, screwdriver • Spring-loaded retractable socket driver • Secure removal of service port nut without stripping • Assures tight seal before servicing oxygen GULFSTREAM AXLE NUT SOCKET • Low profi le design allows for single- person use • Lock bolt site holes with attached fl ashlight make alignment easy • Works with G5/ G550/G650 • Includes socket, fl ashlight, and rigid, no-fl ex breaker bar head Made in USA VIDEO BORESCOPES 90° Prism & Close-Focus tips available! 800.536.0790 ® The NEW Hawkeye Video Borescope! Bright, High-Res Video & Photos Large Range-of-Focus Quality Construction 4-Way Articulation 4 & 6 mm Diameters Starting at only $8,995 Made in USA World's Most Compact, Lightweight, and Affordable Life Rafts! Survival Products, Inc. servicing/sales of aviation/marine life rafts, vests, slides since 1974, manufactures newly designed emergency inflatable four to six man life raft for private aircraft/pleasure boats; World's Lightest Weight (only 12 lbs.); World's Smallest Package (only 4"x12"x14"); World's Least Expensive price (only $1,095). 9 to 13 man, 18 lbs, valise 5"x12"x14"; $1,425. NEW!! FAA TSO Approved Life Rafts – Type I and Type II. BUY or RENT. 5614 S.W. 25th Street, Hollywood FL 33023 954-966-7329, Fax: 954-966-3584 Website: E-mail: Sur vival Products, Inc. $1,785 $1,370 Made in the USA 32 April 2014 AIRCRAFT MAINTENANCE TECHNOLOGY return to service and therefore airworthy? The answer appears to be no. FAR 43.9 clearly refers to all main- tenance and the signature is all that is required. The exception under 43.9(c) is for inspections. Although it appears from FAR 43.11(a)(3) that the signa- ture, certificate number, and kind of certificate held by the person approv- ing or disapproving for return to service, the aircraft, airframe, aircraft engine, propeller, appliance, component part, or portions thereof seems to suggest that a return to service statement is included when performing an inspec- tion. Furthermore, just in passing, note that in the case of a repair station, it must include a written statement specifically approving the repaired or altered item for return to service under Appendix B to Part 43, where a major repair or major alteration is performed. To put this issue to rest I would quote Bill O'Brien's statement … he told me at a seminar a few years back (he is now deceased) that the signature of the mechanic is his approval for return to ser- vice but only for the work (maintenance) he has personally performed and that is all that is required. Enough said. He also used to say that the IA's certification of airworthiness at annual inspection was good until the ink had dried. Board decision The NTSB re-instated the mechanic's certificate revocation based on its find- ing that he was not qualified to hold a mechanic's certificate. There is no indi- cation that the mechanic ever appealed his case any further. A mechanic who has his certificate revoked can re-apply after the passage of one year. What to do? It seems fairly clear, based on the story and the fuzzy regulations, that it would be prudent for any mechanic wanting to exclude an engine he worked on from being used in an aircraft … to clearly say so in his statement that the engine is not airworthy and is specifically not approved for return to service, (in any certificated aircraft). W hy he did not do this is still a mystery. AMT_31-32_Legal_Airworthiness.indd 32 4/3/14 2:18 PM

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