# SDR ASAA1058197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2010
- Submitted: August 18, 2010
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 13,415 hours, 3,955 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Part number: 3250455010
- Condition: Shorted
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058197

## Discrepancy

GE DIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS.  ACCOMP T49.5 & EGT SYSTEM INSP ALL RESISTANCES ARE WITHIN LIMITS.  WHILE TESTING FOUND CJ10 (PD1011) SHORTED AT PINS 3 4.  REPLACED CJ10 (DP1011) WITH NEW.  ACCOMP FADEC SYSTEM TEST ALL TEST PASS REF WDM 77 21 11& M/M 77 21 01 200 801 73 21 00 700 802 73 21 06 400 803 & 77 21 01 400 801.

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