Report No: JT15D-002

ENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORTENGINE BORESCOPE REPORT

ESN PC-E 71122 JT15D-4

Report No: JT15D-002

Historical Facts:ORDER TASK: 088/105 TIME SINCE NEW: 9158.50

ENGINE MODEL: JT15D-4 CYCLES SINCE NEW: 2026

ENGINE S/N: TIME SINCE O/H: 1436.00

CYCLES SINCE O/H: 1361

CUSTOMER: SHORT STOP

PREVIOUS SHOP VISIT: 22/04/2002 O/H @ BIZJET

DATE OF BORESCOPE: 28/11/2014

REASON FOR B.S.I.:

ENGINE BORESCOPE REPORT

PC-E 71122

Hot Section Borescope Inspection

Vector Aerospace Australia Pty Ltd.2

Summary:

Borescope Inspection carried out IAW MM 3017542 Rev.43

Findings at Incoming Inspection:Combustion Liner cracks on cooling ring acceptable as per EMM Ref. Section 72-40-01.Small Exit Duct nil damage evident.H.P.T Stator Crack on Vane Airfoil surface to be measured at next H.S.I to determine serviceability as per EMM Ref. Section 72-50-01.H.P.T Shroud Segments HPT shroud to blade tip rub evident. Check tip clearance at next H.S.I and rectify as per EMM Ref. Section 72-50-01. H.P.T Blades HPT Blade tip rub, coating loss HPT Blade tip evident. Corrosion evident on blade airfoil and platform surface.L.P.T 1 Stator nil damage evident.L.P.T 1 Blades nil damage evident.L.P.T 2 Stator nil damage evident.L.P.T 2 Blades nil damage evident.

Report No: JT15D-002

Recommended Investigations:Nil.

Mandatory Workscope:Crack on Vane Airfoil surface to be measured at next H.S.I to determine serviceability as per EMM Ref. Section 72-50-01.

Recommendations:Nil.

Conclusions :

Vector Aerospace Australia Pty Ltd.3

Conclusions :Nil.

Prepared By:

NICK MEARSFIELD SUPPORT ENGINEER

Report No: JT15D-002COMBUSTION LINER

CRACKS ON COOLING RING ACCEPTABLE

Vector Aerospace Australia Pty Ltd.4

DESCRIPTION OF DAMAGE:

Cracks on cooling ring acceptable as per EMM Ref. Section 72-40-01.

Report No: JT15D-002SMALL EXIT DUCT

NIL DAMAGE EVIDENT

Vector Aerospace Australia Pty Ltd.5

DESCRIPTION OF DAMAGE:Nil damage evident.

Report No: JT15D-002H.P.T STATOR

CRACK ON VANE AIRFOIL ACCEPTABLE

Vector Aerospace Australia Pty Ltd.6

DESCRIPTION OF DAMAGE:

Crack on Vane Airfoil surface to be measured at next H.S.I to determine serviceability as per EMM Ref. Section 72-50-01.

Report No: JT15D-002H.P.T SHROUD SEGMENTS

HPT SHROUD SEGMENTSTIP RUB EVIDENT

Vector Aerospace Australia Pty Ltd.7

DESCRIPTION OF DAMAGE:.

HPT shroud to blade tip rub evident. Check tip clearance at next H.S.I and rectify as per EMM Ref. Section 72-50-01.

Report No: JT15D-002H.P.T BLADES

H.P.T BLADE TIP RUB, COATING LOSS ON BLADE TIPS EVIDENT

Vector Aerospace Australia Pty Ltd.8

HPT Blade tip rub, coating loss HPT Blade tip evident. Corrosion evident on blade airfoil and platform surface.

DESCRIPTION OF DAMAGE:

Report No: JT15D-002L.P.T 1 STATOR

NIL DAMAGE EVIDENT

Vector Aerospace Australia Pty Ltd.9

Nil damage evident.

DESCRIPTION OF DAMAGE:

Report No: JT15D-002L.P.T 1 BLADES

NIL DAMAGE EVIDENT

Vector Aerospace Australia Pty Ltd.10

DESCRIPTION OF DAMAGE:Nil damage evident.

Report No: JT15D-002L.P.T 2 STATOR

NIL DAMAGE EVIDENT

Vector Aerospace Australia Pty Ltd.11

DESCRIPTION OF DAMAGE:Nil damage evident.

Report No: JT15D-002L.P.T 2 BLADES

NIL DAMAGE EVIDENT

Vector Aerospace Australia Pty Ltd.12

Nil damage evident.

DESCRIPTION OF DAMAGE: