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78.74 in.) as perpendicular as possible to the skin (Refer to Figure
1008).
(3) Focus the camera during the inspection as necessary.
(4) Auto-adjust the camera every 2-3 minutes minimum of continuous inspection
following the requirements in paragraph 6.F.
NOTE: In case of findings auto-adjust the camera on the indication when
necessary to help indication bordering. Then point the camera to
T.E. for camera calibration obeying paragraph 6.F.
(5) You have only 20 minutes to inspect the elevator. If you need more time to
complete the inspection, repeat the steps from paragraph 5.G.
(6) You must do an inspection of the two elevator panels.
A318/A319/A320/A321
NONDESTRUCTIVE TESTING MANUAL
PART 10 - THERMOGRAPHIC
ALI NO. 55-20-07
Inspection sequence for METHOD B
Figure 1009
EFFECTIVITY: A318,A319,A320,A321 55-20-07 Page 1021
Nov 01/07
Printed in Germany
A318/A319/A320/A321
NONDESTRUCTIVE TESTING MANUAL
PART 10 - THERMOGRAPHIC
ALI NO. 55-20-07
EFFECTIVITY: A318,A319,A320,A321 55-20-07 Page 1022
Nov 01/07
Printed in Germany
F. For all METHODS
(1) Trapped water inside the honeycomb core will be identified by darker
indications when compared with the adjacent area. Refer to Figure 1010 to
identify different thermographic indications.
CAUTION: SPECIAL CARE MUST BE TAKEN WITH INDICATIONS THAT MAY APPEAR ON THE
SCREEN WHICH ARE CAUSED BY:
- SURFACE REFLECTIONS OF HEAT SOURCES SUCH AS LIGHTNING, AIR
CONDITIONING, ETC.
- HONEYCOMB FILLER AROUND THE FASTENERS (25 mm (1 in.) dia.)
- CORE SPLICES (MAINLY IN THE RIB END)
- GEOMETRIC INDICATIONS (REPAIRS)
(2) In case of findings that may be partially occluded by a lightning strip:
- Do an X-Ray inspection of this area or
- Remove the lightning strip and do the thermographic inspection again to
find full damage size.
(3) All thermographic indications with a regular shape or located at the end
of a rib, shall be checked by a tap test, refer to Chapter 51-10-03 Page
Block 501 to avoid misinterpretation of structural changes such as
repairs, core splices, etc.
(4) To make marks on areas identified as trapped water:
- Put the portable monitor near the inspection area
- Refer to the indication on the screen
- The inspector will make marks on the edge of the darker areas to
identify trapped water while the assistant keeps the image.
8. ACCEPTANCE CRITERIA
A. All dark indications which cannot be identified as geometric changes such as
ribs, hoisting points, fasteners, core splice, honeycomb filler, etc., surface
irregularities, foreign materials or heat/cold source reflections on the
surface must be considered to be water indications.
B. Make a full-scale map of the findings on a plastic foil, including distance or
references to the elevator front spar rivet rows and other geometrical
references such as ribs, lightning protection plates, fastener numbering, etc.
to help the elevator repairs.
A318/A319/A320/A321
NONDESTRUCTIVE TESTING MANUAL
PART 10 - THERMOGRAPHIC
ALI NO. 55-20-07
Example of Thermographic Indications in zones with different discontinuities
such as hoisting point, ribs and lightning protection plate
Figure 1010
EFFECTIVITY: A318,A319,A320,A321 55-20-07 Page 1023
Nov 01/07
Printed in Germany
A318/A319/A320/A321
NONDESTRUCTIVE TESTING MANUAL
PART 10 - THERMOGRAPHIC
ALI NO. 55-20-07
EFFECTIVITY: A318,A319,A320,A321 55-20-07 Page 1024
Nov 01/07
Printed in Germany
C. Include in the full scale map information such as:
- Elevator serial number
- LH/RH elevator
- Upper/lower panel
- Inboard/fwd directions
9. FINAL NDT REQUIREMENTS
None
Airbus A319/320/321 Notes
Training Notes by Eric Parks
Copyright  1999 - 2008 Eric Parks
Disclaimer: NOT approved by US Airways Airbus A320 Flight Training Dept.
For study only, use at own risk, last update – 06/18/08
These notes are intended to be used in conjunction with the Flight Operations
Manual and Airbus A319/320/321 Pilots Handbook. As always, the FOM, PH and
US Airways Airbus A320 Training Department are your final authorities.
For corrections, suggestions or comments email: CaptParks28@yahoo.com
Welcome to the Airbus!
Resistance is futile, you will be assimilated.
US Airways Airbus A319, A320, A321 Notes
2
Table of Contents
Table of Contents _______________________________________________________ 2
Limits ________________________________________________________________ 5
Systems _______________________________________________________________ 7
Ice & Rain Protection ( PH 6.x.x) _______________________________________ 7
　
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