REPAIR REPORT

 

ON

XXXXXXXX  XXXXXXXXXXXX

MS 6001B, GAS TURBINE COMPONENTS

 

 

Our Job #                                       Parts Name                                              Qty.

 

75070718                                    MS 6001B 1^st Stage Bucket                      01 set

 

Submit To :                  XXXX   XXXXX XXXXXXX

XXXX

End User :                   Yangling P.S-NTW Prime.

 

Quotation No.:             QT03-0062

 

Compiled By :              Wong Yong Heng

QA/ Process Engineering

GE Keppel Energy Services Pte Ltd

 

 

1.0) Summary

 

This report is a summary of the repair work carried out on Shenzhen Nanguang (Yangling), MS 6001B, gas turbine components;

 

-     1^st Stage Bucket, Qty. 01 set ~ 92pcs

 

The above mention components were received together with the turbine rotor on Nov 6, 2002. ( Advised by the customer for repair on Nov 03, 03).

The incoming inspections were done on the components and found that they are within repairable condition. Base on the incoming inspection reports, the components were found with wears, FOD, dents, tip rubbing, etc. The components are recommended to be refurbished before continue operation.

 

The repair mainly consists of chemical stripping coating, blend repair; weld repair, re-application of coating and moment weigh charting.

2.0) Incoming Inspection

 

Work Scope;

-     Receive and uncrate

-   Visual inspection and photographing of defects

-     Incoming Dimensional check and record data

-   Water flow check on cooling holes

-     Blast clean

-     Non Destructive Test and Mapping of defects

-     Engineering Evaluation & Reporting

 

Observation;

-     Some buckets have cracks on tips

-     Some buckets have missing metal on tips

-   Rubs at angle wing

-     Dovetail Aluminum seal strip coating wore off

-     Light nick & dent on the airfoil

-     Erosion/ corrosion marks at the airfoil

 

3.0) Repair Work-Scope

 

-   Chemical strip coating.

-     GE proprietary heat treatment

-   Blend repair airfoil to GE specification

-   Weld repair buckets tips to GE specification

-   Blend/ dress up rubbing & worn areas

-     Non destructive test

-     Touch up as require

-   Re-application GT33 Coating

-   Shot peen dovetail

-     Re-application Aluminum seal strip coating on dovetail

-   Final water flow check on cooling holes

-   Moment weigh and charting

-   Arrange and re-identify bucket chart wheel position

-   Q.C final inspection, verification and release

-     Clean & pack for shipment

 

4.0) CONCLUSION

 

Repair work of XXXX,XXX  MS 6001B, gas turbine components;

-     1^st Stage Bucket, Qty. 01 set ~ 92pcs

were done as per General Electric (U.S.A.) Power System procedure and specification.

General report and photographs are attached. All engineering aspect of the hardware met the GE’s specifications and requirements or otherwise approved.

 

Hence, the hardware were returned to XXXXX  XXX in serviceable condition for continue operation until the next recommended outage as specified in GER3620J for heavy duty gas turbine operating and maintenance consideration.

 

Signature :        Wong Yong Heng                                   Date :   March 15, 2004

Wong Yong Heng

QA/ Process Engineering

GE Keppel Energy Services Pte Ltd

This report is just a summary of the whole repair process, detail dimensional data and work performed are kept in GE Keppel Energy Services Pte. Ltd. (Turbine Dept.)

 

 

 

BUCKET SERIAL NUMBER INSPECTION REPORT
COMPONENTS: F6B 1ST STAGE BKT		JOB NO:   75070718
OPERATOR: Mohd Nor		CUSTOMER: Shenzhen Nanguang Yangling
DATE: 7th November 2003		QTY:    92
BUCKET	SERIAL BUCKET	SERIAL	BUCKETS	SERIAL	BUCKETS
1	PCCA C0992	32	PCCA 81641	63	PCCA C0846
2	PCCA81643	33	PCCA C1604	64	DAA C8263
3	PCCA CI 230	34	PCCA 81755	66	PCCA C1495
4	PCCA C0868	36	PCCA C0924	66	PCCA C1459
5	PCCA C1215	36	PCCA C1330	67	PCCA 61790
6	PCCA B2277	37	PCCA 62046	68	PCCA 81802
7	PCCA81710	38	PCCA 81712	69	PCCA 81659
8	PCCA81777	39	PCCA 82045	70	PCCA 81771
9	PCCA81718	40	DAA E9675	71	PCCA C1229
10	PCCA61779	41	PCCA C0604	72	PCCA 81747
11	PCCA61788	42	PCCA81507	73	PCCA C1254
12	PCCA C0870	43	PCCA82026	74	PCCA C1239
13	PCCA C0579	44	PCCA C0789	75	PCCA C1012
14	PCCA61633	45	PCCA82040	76	PCCA 81634
15	PCCA C1217	46	PCCA82049	77	PCCA 82029
16	PCCA61753	47	PCCA62020	78	PCCA 81803
17	PCCA C1549	48	PCCA81792	79	PCCA C1744
18	PCCA C1333	49	PCCA B2038	80	PCCA 81787
19	PCCA62048	50	PCCA61760	81	PCCA 61811
20	PCCA61756	51	PCCA81794	82	PCCA 61762
21	PCCA CI 777	52	PCCA C1395	83	PCCA C0624
22	PCCA61757	53	PCCA C0777	84	PCCA 81646
23	PCCA62037	54	PCCA61827	85	PCCA C1018
24	PCCA81642	55	PCCA81823	86	PCCA 81648
25	PCCA C1048	56	PCCA62044	87	PCCA C1244
26	PCCA81791	57	PCCA C1258	88	PCCA C1494
27	PCCA C1055	58	PCCA C1015	89	PCCA C1279
28	PCCA61639	59	PCCA C1077	90	PCCA 61805
29	PCCA C0616	60	PCCA 61786	91	PCCA C1446
30	PCCA C1496	61	PCCA C1283	92	PCCA 81653
31	31 PCCA C1148	62	PCCA62289	　/DIV>	　/DIV>

 

GE Keppel Energy Services Pte Ltd

( formerly known as Watt   &  Akkermans Pte. Ltd)

 

Appendix 2:MS 6001B 1^st Stage Buckets (Job No. 75070718)