Appendix 1 Rev 01: Slat transmission system DVI outcome - PowerPoint Presentation

1. Appendix 1 Rev 01: Slat transmission system DVI outcomeRelevant InformationReport Build Standard configuration (A, B, C or D)LH wing:RH wing:Observations of Detailed Visual inspection (DVI)Check date (DD/MM/YYYY)MSNFHFCAircraft information at the date of the checkAppendix linked to AOT A27P016-20 Rev 01 Chapters 4.2.1.1 & 4.2.1.2 & 4.2.1.3 & 4.2.2.2 & 4.2.2.3- Results of inspection:DVI required? (Tick the right box) NOYES: in LH wingYES: in RH wingYES: in LH & RH wingsDVI Requirement on subject A/C:BS: Build StandardRev 01: (*) Only if all shafts BS P/N 4784AXXXX-02 are located outboard of the pylon area- Determination of the P/N of all slat transmission shafts outboard of S08:Configuration AConfiguration BConfiguration CConfiguration DOR (if not possible)**BEG REV****END REV**

2. Appendix 2: TSU Condition Check values Recording & AssessmentAppendix linked to AOT A27P016-20 Rev 01 Chapters 4.2.2.2 & 4.2.2.3LVDTMax Dev Inc Trq (Nm)LH TSU health check outcome (Tick the right box)Repeat 350FCRepeat 150FCReplace Slat PCUwithin 16FCReplace Slat PCU before next flightLH SLAT 1LH SLAT 2Check date (DD/MM/YYYY)A/C registrationMSNFHFCAircraft information at the date of the checkSlat PCU information at the date of the checkP/NS/NFH (if available)FC (if available)LH TSU Health check data & DecisionRH TSU Health check data & DecisionLVDTMax Dev Inc Trq (Nm)RH TSU health check outcome (Tick the right box)Repeat 350FCRepeat 150FCReplace Slat PCUwithin 16FCReplace Slat PCU before next flightRH SLAT 1RH SLAT 2

3. Appendix 3: Typical transmission shafts damagesAppendix linked to AOT A27P016-20 Rev 01 Chapter 4.2.1.2 & 4.2.1.3Healthy transmission shaft with straight splinesFailed transmission shaft with spirally deformed splines

4. At least one LH TSU value (SLAT 1 OR SLAT 2) ≥ 30 Nm (NOTE 3 & 4)  Slat PCU to be replaced immediately & Perform DVI in LH wing pylon area within 15 FC or 150 FH & Repeat Slat PCU LH & RH TSU health check within 850 FCBoth LH TSU values (SLAT 1 & SLAT 2) in the range 25Nm <= Value < 30Nm (NOTE 3)  Slat PCU to be replaced within 16 FC & Repeat Slat PCU LH & RH TSU health check within 850 FCBoth LH TSU values (SLAT 1 & SLAT 2) in the range 10Nm <= Value < 25Nm  Repeat Slat PCU LH TSU health check within 150 FC Both LH TSU values (SLAT 1 & SLAT 2) < 10 Nm  Repeat Slat PCU LH TSU health check within 350 FC NOTE 2: If both LH TSU values are not in the same band,the higher value defines the decision criteria**BEG REV**NOTE 3: Slat PCU is fitted with 2 TSU's (LH & RH). Due to its replacement, timer for next TSU health check for LH AND RH TSU is set to 850 FC. This new timer value supersede any former value ever set on LH & RH sides.NOTE 4: Even if one of LH & RH TSU health check outcome is “Replace Slat PCU before next flight”, the health check of the other TSU is necessary to determine whether DVI of slat transmission system on the other wing is necessary.**END REV**10Nm25Nm30NmReplace Slat PCU before next flight& Perform DVI in LH wing pylon area within 15 FC or 150 FH& Repeat LH & RH TSU Health check within 850 FC Replace Slat PCU within 16FC & Repeat LH & RH TSU Health check within 850 FC Repeat LH TSU health check within 150 FCRepeat LH TSU health check within 350 FCAppendix 4 Rev 01: TSU Condition Check CriteriaAppendix linked to AOT A27P016-20 Rev 01 Chapter 4.2.2.2 & 4.2.2.3NOTE 1: The following criteria is described for LH TSUThe same criteria is to be considered for RH TSU

5. Appendix 5 Rev 01: TSU Condition Check FlowchartAppendix linked to AOT A27P016-20 Rev 01 Chapter 4.2.2.2 & 4.2.2.3