# SDR ASAA2013051794842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2013
- Submitted: May 21, 2013
- Operation: Air carrier
- Aircraft: [N533AS](https://openairdocs.org/aircraft/N533AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35201
- Aircraft time: 9,206 hours, 2,775 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Connector
- Condition: Dirty
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013051794842

## Discrepancy

WHILE INTERROGATING NR 2 ENG CDU FAULTS , FOUND FAULT 77-20862.  BOTTOM LT EGT SIGNAL IS OUT OF RANGE.  ACFT GROUNDED.   R & R LOWER LEFT EGT PROBE IAW MM 77-21-01-000-801-F00, & MM 77-21-01-400-801-F00.  PERFORMED EEC TEST IAW MM 73-21-00-700-804-F00, FAULT CODE 77-20862.  THE BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE STILL PRESENT.  NO OTHER FAULTS NOTED.  ACCOMPLISHED TROUBLESHOOTING FOR FAULT 77-20862 IAW FIM 77-21, TASK 803.  PERFORMED NR 2 ENGINE EGT CONNECTOR CLEANING IAW MM 77-21-00-201.  ALL CONNECTORS CLEANED.  PERFORMED EEC TEST IAW MM 73-21-00-700-804-F00.   ALL TESTS PASS WITH NO FAULTS NOTED.

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