Preliminary Report. 17 October, For. Burak Marine. Aliağa İzmir TURKEY ESN Mehmet AKIN (Granite)

Transcription

1 Preliminary Report 17 October, 2012 For Burak Marine Aliağa İzmir TURKEY ESN Customer Representative: GE Field Service Representative: Burak ALDEMİR Adnan LEBLEBİCİ Mehmet AKIN (Granite) All technical recommendations and information contained in this report are based on GE manuals that have been developed and approved for use with GE engines and parts that have been operated and maintained in accordance with GE technical documentation and recommendations. GE has no technical knowledge of, nor obligation for, non GE-approved parts and repairs. Accordingly, this report is not intended to apply to non GE-approved parts and repairs, nor to any parts that may be directly or indirectly affected by non GE-approved parts and repairs. Report completed by Adnan Leblebici

2 CONCLUSIONS & RECOMMENDATIONS The purpose of this visit was to perform a visual and borescope Inspection. The engine visually was found in satisfactory conditions. The compressor, combustor and power turbine stage 1 & 6 blades & nozzles were found in good condition. This periodic borescope inspection was completed in reference to GEK Vol I, Chapter 5-3. Outage Data: Engine Data: ESN Engine Fired Hours Package Total Hours Model LM2500PI Engine Fired Starts Package Fired Starts Trips Total Trips Report completed by Adnan Leblebici

3 Purpose of visit: DETAILS AND DATA This inspection was completed in reference to GEK Vol I, Chapter Daily Activities Wednesday, 17 Oct 2012 Units are original packages that were removed, moved to warehouse. Engine was kept at warehouse almost 1 year without preservation. HP compressor, combustor and HP turbine borescope ports were removed. Only 1 fuel nozzle were removed and inspected. Found it in good shape. Feeder tubes are fine. Clearance is correct. #4 igniter combustor inlet, there is a missing part on inner liner was found. Some erosion and discoloration was found. First stages of the HP compressor area were found dirty but no anomaly detected. 1 st stage HPT blades: nothing abnormal was observed on flow path concave side and leading edges. Some loss of coating was detected. 2nd stage HPT blades: nothing abnormal was observed on flow path concave side and leading edges. 1st stage HPT nozzles: cooling holes were not clogged. One of second stage nozzle TE has missing part. See picture Both igniters have been removed and inspected. Wear was not observed. Thursday, 18 Oct 2012 Engine external status: engine shows an external dirtiness in general. Report completed by Adnan Leblebici 3

4 Results: Report completed by Adnan Leblebici 4

5 Report completed by Adnan Leblebici 5

6 Report completed by Adnan Leblebici 6

7 Report completed by Adnan Leblebici 7

8 Borescope Pictures High Pressure Compressor Midspan Stage 0 Stage 1 Stage 2 Wear on vane stem stage 4 Stage 4 Report completed by Adnan Leblebici 8

9 Stage 5 Stage 6, dirty blade rim Stage 7 Stage 9 Stage 10 Stage 11 Report completed by Adnan Leblebici 9

10 Stage 12, sticky dirt on blade surface Stage 13 Stage 15 Stage 16 Report completed by Adnan Leblebici 10

11 Combustor Swirler Swirler #4 igniter inlet area of combustor, missing part Outer liner #6 o clock, crack (not measured) Discoloration Report completed by Adnan Leblebici 11

12 HPT S1 nozzles S1 blades, Some dirt on shrouds S1 blades TE S2N, one nozzle has TE missing part Same area Report completed by Adnan Leblebici 12

13 S2 blades S2 blades shrouds Power Turbine PT Stage 1 PT Stage 1 PT Stage 1 PT Stage 1 Report completed by Adnan Leblebici 13

14 Variable Geometry GENERAL INSPECTION RECORD GAS TURBINE Report completed by Adnan Leblebici 14

15 L&S Pump Report completed by Adnan Leblebici 15